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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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staging: mt7621-mmc: Remove #if 0 blocks in sd.c
This patch removes #if 0 code blocks and usages of functions defined in the #if 0 blocks in sd.c. Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Nishad Kamdar
Greg Kroah-Hartman
parent
b99e0ce20f
commit
2a54e3259e
@ -72,11 +72,6 @@
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#define GPIO_PULL_DOWN (0)
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#define GPIO_PULL_UP (1)
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#if 0 /* --- by chhung */
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#define MSDC_CLKSRC_REG (0xf100000C)
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#define PDN_REG (0xF1000010)
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#endif /* end of --- */
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#define DEFAULT_DEBOUNCE (8) /* 8 cycles */
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#define DEFAULT_DTOC (40) /* data timeout counter. 65536x40 sclk. */
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@ -100,26 +95,6 @@ static int cd_active_low = 1;
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//#define PERI_MSDC2_PDN (17)
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//#define PERI_MSDC3_PDN (18)
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#if 0 /* --- by chhung */
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/* gate means clock power down */
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static int g_clk_gate = 0;
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#define msdc_gate_clock(id) \
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do { \
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g_clk_gate &= ~(1 << ((id) + PERI_MSDC0_PDN)); \
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} while (0)
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/* not like power down register. 1 means clock on. */
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#define msdc_ungate_clock(id) \
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do { \
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g_clk_gate |= 1 << ((id) + PERI_MSDC0_PDN); \
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} while (0)
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// do we need sync object or not
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void msdc_clk_status(int *status)
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{
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*status = g_clk_gate;
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}
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#endif /* end of --- */
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/* +++ by chhung */
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struct msdc_hw msdc0_hw = {
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.clk_src = 0,
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@ -221,7 +196,6 @@ static void msdc_tasklet_card(struct work_struct *work)
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struct msdc_host, card_delaywork.work);
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u32 inserted;
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u32 status = 0;
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//u32 change = 0;
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spin_lock(&host->lock);
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@ -231,33 +205,17 @@ static void msdc_tasklet_card(struct work_struct *work)
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else
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inserted = (status & MSDC_PS_CDSTS) ? 1 : 0;
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#if 0
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change = host->card_inserted ^ inserted;
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host->card_inserted = inserted;
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if (change && !host->suspend) {
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if (inserted)
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host->mmc->f_max = HOST_MAX_MCLK; // work around
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mmc_detect_change(host->mmc, msecs_to_jiffies(20));
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}
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#else /* Make sure: handle the last interrupt */
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/* Make sure: handle the last interrupt */
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host->card_inserted = inserted;
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if (!host->suspend) {
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host->mmc->f_max = HOST_MAX_MCLK;
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mmc_detect_change(host->mmc, msecs_to_jiffies(20));
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}
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#endif
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spin_unlock(&host->lock);
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}
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#if 0 /* --- by chhung */
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/* For E2 only */
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static u8 clk_src_bit[4] = {
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0, 3, 5, 7
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};
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static void msdc_select_clksrc(struct msdc_host *host, unsigned char clksrc)
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{
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u32 val;
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@ -358,115 +316,6 @@ static void msdc_abort_data(struct msdc_host *host)
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//}
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}
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#if 0 /* --- by chhung */
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static void msdc_pin_config(struct msdc_host *host, int mode)
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{
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struct msdc_hw *hw = host->hw;
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int pull = (mode == MSDC_PIN_PULL_UP) ? GPIO_PULL_UP : GPIO_PULL_DOWN;
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/* Config WP pin */
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if (hw->flags & MSDC_WP_PIN_EN) {
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if (hw->config_gpio_pin) /* NULL */
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hw->config_gpio_pin(MSDC_WP_PIN, pull);
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}
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switch (mode) {
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case MSDC_PIN_PULL_UP:
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//sdr_set_field(MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKPU, 1); /* Check & FIXME */
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//sdr_set_field(MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKPD, 0); /* Check & FIXME */
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sdr_set_field(host->base + MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDPU, 1);
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sdr_set_field(host->base + MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDPD, 0);
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sdr_set_field(host->base + MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATPU, 1);
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sdr_set_field(host->base + MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATPD, 0);
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break;
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case MSDC_PIN_PULL_DOWN:
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//sdr_set_field(MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKPU, 0); /* Check & FIXME */
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//sdr_set_field(MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKPD, 1); /* Check & FIXME */
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sdr_set_field(host->base + MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDPU, 0);
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sdr_set_field(host->base + MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDPD, 1);
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sdr_set_field(host->base + MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATPU, 0);
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sdr_set_field(host->base + MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATPD, 1);
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break;
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case MSDC_PIN_PULL_NONE:
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default:
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//sdr_set_field(MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKPU, 0); /* Check & FIXME */
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//sdr_set_field(MSDC_PAD_CTL0, MSDC_PAD_CTL0_CLKPD, 0); /* Check & FIXME */
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sdr_set_field(host->base + MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDPU, 0);
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sdr_set_field(host->base + MSDC_PAD_CTL1, MSDC_PAD_CTL1_CMDPD, 0);
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sdr_set_field(host->base + MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATPU, 0);
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sdr_set_field(host->base + MSDC_PAD_CTL2, MSDC_PAD_CTL2_DATPD, 0);
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break;
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}
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}
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void msdc_pin_reset(struct msdc_host *host, int mode)
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{
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struct msdc_hw *hw = (struct msdc_hw *)host->hw;
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int pull = (mode == MSDC_PIN_PULL_UP) ? GPIO_PULL_UP : GPIO_PULL_DOWN;
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/* Config reset pin */
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if (hw->flags & MSDC_RST_PIN_EN) {
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if (hw->config_gpio_pin) /* NULL */
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hw->config_gpio_pin(MSDC_RST_PIN, pull);
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if (mode == MSDC_PIN_PULL_UP)
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sdr_clr_bits(host->base + EMMC_IOCON, EMMC_IOCON_BOOTRST);
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else
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sdr_set_bits(host->base + EMMC_IOCON, EMMC_IOCON_BOOTRST);
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}
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}
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static void msdc_core_power(struct msdc_host *host, int on)
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{
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if (on && host->core_power == 0) {
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msdc_vcore_on(host);
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host->core_power = 1;
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msleep(1);
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} else if (!on && host->core_power == 1) {
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msdc_vcore_off(host);
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host->core_power = 0;
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msleep(1);
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}
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}
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static void msdc_host_power(struct msdc_host *host, int on)
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{
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if (on) {
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//msdc_core_power(host, 1); // need do card detection.
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msdc_pin_reset(host, MSDC_PIN_PULL_UP);
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} else {
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msdc_pin_reset(host, MSDC_PIN_PULL_DOWN);
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//msdc_core_power(host, 0);
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}
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}
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static void msdc_card_power(struct msdc_host *host, int on)
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{
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if (on) {
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msdc_pin_config(host, MSDC_PIN_PULL_UP);
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//msdc_vdd_on(host); // need todo card detection.
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msleep(1);
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} else {
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//msdc_vdd_off(host);
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msdc_pin_config(host, MSDC_PIN_PULL_DOWN);
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msleep(1);
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}
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}
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static void msdc_set_power_mode(struct msdc_host *host, u8 mode)
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{
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if (host->power_mode == MMC_POWER_OFF && mode != MMC_POWER_OFF) {
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msdc_host_power(host, 1);
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msdc_card_power(host, 1);
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} else if (host->power_mode != MMC_POWER_OFF && mode == MMC_POWER_OFF) {
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msdc_card_power(host, 0);
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msdc_host_power(host, 0);
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}
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host->power_mode = mode;
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}
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#endif /* end of --- */
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#ifdef CONFIG_PM
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/*
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register as callback function of WIFI(combo_sdio_register_pm) .
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@ -722,14 +571,6 @@ static unsigned int msdc_do_command(struct msdc_host *host,
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return cmd->error;
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}
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#if 0 /* --- by chhung */
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// DMA resume / start / stop
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static void msdc_dma_resume(struct msdc_host *host)
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{
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sdr_set_field(host->base + MSDC_DMA_CTRL, MSDC_DMA_CTRL_RESUME, 1);
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}
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#endif /* end of --- */
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static void msdc_dma_start(struct msdc_host *host)
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{
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u32 wints = MSDC_INTEN_XFER_COMPL | MSDC_INTEN_DATTMO | MSDC_INTEN_DATCRCERR;
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@ -828,12 +669,6 @@ static int msdc_do_request(struct mmc_host *mmc, struct mmc_request *mrq)
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cmd = mrq->cmd;
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data = mrq->cmd->data;
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#if 0 /* --- by chhung */
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//if(host->id ==1){
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msdc_ungate_clock(host->id);
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//}
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#endif /* end of --- */
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if (!data) {
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send_type = SND_CMD;
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if (msdc_do_command(host, cmd, 1, CMD_TIMEOUT) != 0)
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@ -920,36 +755,8 @@ static int msdc_do_request(struct mmc_host *mmc, struct mmc_request *mrq)
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dma_unmap_sg(mmc_dev(mmc), data->sg, data->sg_len,
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mmc_get_dma_dir(data));
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host->blksz = 0;
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#if 0 // don't stop twice!
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if (host->hw->flags & MSDC_REMOVABLE && data->error) {
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msdc_abort_data(host);
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/* reset in IRQ, stop command has issued. -> No need */
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}
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#endif
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}
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#if 0 /* --- by chhung */
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#if 1
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//if(host->id==1) {
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if (send_type == SND_CMD) {
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if (cmd->opcode == MMC_SEND_STATUS) {
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if ((cmd->resp[0] & CARD_READY_FOR_DATA) || (CARD_CURRENT_STATE(cmd->resp[0]) != 7))
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msdc_gate_clock(host->id);
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} else {
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msdc_gate_clock(host->id);
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}
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} else {
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if (read)
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msdc_gate_clock(host->id);
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}
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//}
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#else
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msdc_gate_clock(host->id);
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#endif
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#endif /* end of --- */
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if (mrq->cmd->error)
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host->error = 0x001;
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if (mrq->data && mrq->data->error)
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@ -968,11 +775,7 @@ static int msdc_app_cmd(struct mmc_host *mmc, struct msdc_host *host)
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memset(&cmd, 0, sizeof(struct mmc_command));
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cmd.opcode = MMC_APP_CMD;
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#if 0 /* bug: we meet mmc->card is null when ACMD6 */
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cmd.arg = mmc->card->rca << 16;
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#else
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cmd.arg = host->app_cmd_arg;
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#endif
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cmd.flags = MMC_RSP_SPI_R1 | MMC_RSP_R1 | MMC_CMD_AC;
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memset(&mrq, 0, sizeof(struct mmc_request));
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@ -1359,22 +1162,10 @@ static void msdc_ops_request(struct mmc_host *mmc, struct mmc_request *mrq)
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{
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struct msdc_host *host = mmc_priv(mmc);
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//=== for sdio profile ===
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#if 0 /* --- by chhung */
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u32 old_H32, old_L32, new_H32, new_L32;
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u32 ticks = 0, opcode = 0, sizes = 0, bRx = 0;
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#endif /* end of --- */
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WARN_ON(host->mrq);
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/* start to process */
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spin_lock(&host->lock);
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#if 0 /* --- by chhung */
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if (sdio_pro_enable) { //=== for sdio profile ===
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if (mrq->cmd->opcode == 52 || mrq->cmd->opcode == 53)
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GPT_GetCounter64(&old_L32, &old_H32);
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}
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#endif /* end of --- */
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host->mrq = mrq;
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@ -1394,26 +1185,6 @@ static void msdc_ops_request(struct mmc_host *mmc, struct mmc_request *mrq)
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host->mrq = NULL;
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#if 0 /* --- by chhung */
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//=== for sdio profile ===
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if (sdio_pro_enable) {
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if (mrq->cmd->opcode == 52 || mrq->cmd->opcode == 53) {
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GPT_GetCounter64(&new_L32, &new_H32);
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ticks = msdc_time_calc(old_L32, old_H32, new_L32, new_H32);
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opcode = mrq->cmd->opcode;
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if (mrq->cmd->data) {
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sizes = mrq->cmd->data->blocks * mrq->cmd->data->blksz;
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bRx = mrq->cmd->data->flags & MMC_DATA_READ ? 1 : 0;
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} else {
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bRx = mrq->cmd->arg & 0x80000000 ? 1 : 0;
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}
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if (!mrq->cmd->error)
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msdc_performance(opcode, sizes, bRx, ticks);
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}
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}
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#endif /* end of --- */
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spin_unlock(&host->lock);
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mmc_request_done(mmc, mrq);
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@ -1480,7 +1251,6 @@ static void msdc_ops_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
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switch (ios->power_mode) {
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case MMC_POWER_OFF:
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case MMC_POWER_UP:
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// msdc_set_power_mode(host, ios->power_mode); /* --- by chhung */
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break;
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case MMC_POWER_ON:
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host->power_mode = MMC_POWER_ON;
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@ -1552,9 +1322,6 @@ static int msdc_ops_get_cd(struct mmc_host *mmc)
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/* MSDC_CD_PIN_EN set for card */
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if (host->hw->flags & MSDC_CD_PIN_EN) {
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spin_lock_irqsave(&host->lock, flags);
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#if 0
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present = host->card_inserted; /* why not read from H/W: Fix me*/
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#else
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// CD
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present = readl(host->base + MSDC_PS) & MSDC_PS_CDSTS;
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if (cd_active_low)
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@ -1562,7 +1329,6 @@ static int msdc_ops_get_cd(struct mmc_host *mmc)
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else
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present = present ? 1 : 0;
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host->card_inserted = present;
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#endif
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spin_unlock_irqrestore(&host->lock, flags);
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} else {
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present = 0; /* TODO? Check DAT3 pins for card detection */
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@ -1725,14 +1491,6 @@ static void msdc_enable_cd_irq(struct msdc_host *host, int enable)
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static void msdc_init_hw(struct msdc_host *host)
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{
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/* Power on */
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#if 0 /* --- by chhung */
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msdc_vcore_on(host);
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msdc_pin_reset(host, MSDC_PIN_PULL_UP);
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msdc_select_clksrc(host, hw->clk_src);
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enable_clock(PERI_MSDC0_PDN + host->id, "SD");
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msdc_vdd_on(host);
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#endif /* end of --- */
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/* Configure to MMC/SD mode */
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sdr_set_field(host->base + MSDC_CFG, MSDC_CFG_MODE, MSDC_SDMMC);
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@ -1764,10 +1522,6 @@ static void msdc_init_hw(struct msdc_host *host)
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writel(0x00000000, host->base + MSDC_DAT_RDDLY1);
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writel(0x00000000, host->base + MSDC_IOCON);
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#if 0 // use MT7620 default value: 0x403c004f
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/* bit0 modified: Rx Data Clock Source: 1 -> 2.0*/
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writel(0x003C000F, host->base + MSDC_PATCH_BIT0);
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#endif
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if (readl(host->base + MSDC_ECO_VER) >= 4) {
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if (host->id == 1) {
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@ -1834,7 +1588,6 @@ static void msdc_deinit_hw(struct msdc_host *host)
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/* Disable card detection */
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msdc_enable_cd_irq(host, 0);
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// msdc_set_power_mode(host, MMC_POWER_OFF); /* make sure power down */ /* --- by chhung */
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}
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/* init gpd and bd list in msdc_drv_probe */
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