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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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be19c40577
There is no need for an output like this: > mmcblk mmc1:0001: calling add_quirk_mmc+0x0/0x20 Instead use this one: > mmcblk mmc1:0001: calling add_quirk_mmc Signed-off-by: Alexander Stein <alexander.stein@systec-electronic.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
100 lines
2.7 KiB
C
100 lines
2.7 KiB
C
/*
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* This file contains work-arounds for many known SD/MMC
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* and SDIO hardware bugs.
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*
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* Copyright (c) 2011 Andrei Warkentin <andreiw@motorola.com>
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* Copyright (c) 2011 Pierre Tardy <tardyp@gmail.com>
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* Inspired from pci fixup code:
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* Copyright (c) 1999 Martin Mares <mj@ucw.cz>
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*
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*/
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#include <linux/types.h>
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#include <linux/kernel.h>
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#include <linux/export.h>
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#include <linux/mmc/card.h>
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#include <linux/mmc/sdio_ids.h>
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#ifndef SDIO_VENDOR_ID_TI
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#define SDIO_VENDOR_ID_TI 0x0097
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#endif
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#ifndef SDIO_DEVICE_ID_TI_WL1271
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#define SDIO_DEVICE_ID_TI_WL1271 0x4076
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#endif
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#ifndef SDIO_VENDOR_ID_STE
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#define SDIO_VENDOR_ID_STE 0x0020
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#endif
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#ifndef SDIO_DEVICE_ID_STE_CW1200
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#define SDIO_DEVICE_ID_STE_CW1200 0x2280
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#endif
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#ifndef SDIO_DEVICE_ID_MARVELL_8797_F0
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#define SDIO_DEVICE_ID_MARVELL_8797_F0 0x9128
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#endif
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/*
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* This hook just adds a quirk for all sdio devices
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*/
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static void add_quirk_for_sdio_devices(struct mmc_card *card, int data)
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{
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if (mmc_card_sdio(card))
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card->quirks |= data;
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}
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static const struct mmc_fixup mmc_fixup_methods[] = {
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/* by default sdio devices are considered CLK_GATING broken */
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/* good cards will be whitelisted as they are tested */
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SDIO_FIXUP(SDIO_ANY_ID, SDIO_ANY_ID,
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add_quirk_for_sdio_devices,
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MMC_QUIRK_BROKEN_CLK_GATING),
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SDIO_FIXUP(SDIO_VENDOR_ID_TI, SDIO_DEVICE_ID_TI_WL1271,
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remove_quirk, MMC_QUIRK_BROKEN_CLK_GATING),
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SDIO_FIXUP(SDIO_VENDOR_ID_TI, SDIO_DEVICE_ID_TI_WL1271,
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add_quirk, MMC_QUIRK_NONSTD_FUNC_IF),
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SDIO_FIXUP(SDIO_VENDOR_ID_TI, SDIO_DEVICE_ID_TI_WL1271,
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add_quirk, MMC_QUIRK_DISABLE_CD),
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SDIO_FIXUP(SDIO_VENDOR_ID_STE, SDIO_DEVICE_ID_STE_CW1200,
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add_quirk, MMC_QUIRK_BROKEN_BYTE_MODE_512),
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SDIO_FIXUP(SDIO_VENDOR_ID_MARVELL, SDIO_DEVICE_ID_MARVELL_8797_F0,
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add_quirk, MMC_QUIRK_BROKEN_IRQ_POLLING),
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END_FIXUP
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};
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void mmc_fixup_device(struct mmc_card *card, const struct mmc_fixup *table)
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{
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const struct mmc_fixup *f;
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u64 rev = cid_rev_card(card);
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/* Non-core specific workarounds. */
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if (!table)
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table = mmc_fixup_methods;
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for (f = table; f->vendor_fixup; f++) {
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if ((f->manfid == CID_MANFID_ANY ||
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f->manfid == card->cid.manfid) &&
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(f->oemid == CID_OEMID_ANY ||
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f->oemid == card->cid.oemid) &&
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(f->name == CID_NAME_ANY ||
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!strncmp(f->name, card->cid.prod_name,
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sizeof(card->cid.prod_name))) &&
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(f->cis_vendor == card->cis.vendor ||
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f->cis_vendor == (u16) SDIO_ANY_ID) &&
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(f->cis_device == card->cis.device ||
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f->cis_device == (u16) SDIO_ANY_ID) &&
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rev >= f->rev_start && rev <= f->rev_end) {
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dev_dbg(&card->dev, "calling %pf\n", f->vendor_fixup);
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f->vendor_fixup(card, f->data);
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}
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}
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}
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EXPORT_SYMBOL(mmc_fixup_device);
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