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staging: dwc2: rename dwc2_check_core_status()

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Rename dwc2_check_core_status() to dwc2_is_controller_alive(), and
make it a boolean function. Also change the message when the
controller is dead to say "dead" instead of "disconnected".

Signed-off-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Paul Zimmerman 2013-11-22 16:43:51 -08:00 committed by Greg Kroah-Hartman
parent b66a3f0573
commit 057715f280
4 changed files with 8 additions and 8 deletions
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6
drivers/staging/dwc2/core.c
View File

@ -2736,12 +2736,12 @@ u16 dwc2_get_otg_version(struct dwc2_hsotg *hsotg)
return hsotg->core_params->otg_ver == 1 ? 0x0200 : 0x0103;
}
int dwc2_check_core_status(struct dwc2_hsotg *hsotg)
bool dwc2_is_controller_alive(struct dwc2_hsotg *hsotg)
{
if (readl(hsotg->regs + GSNPSID) == 0xffffffff)
return -1;
return false;
else
return 0;
return true;
}
/**

2
drivers/staging/dwc2/core.h
View File

@ -544,7 +544,7 @@ extern void dwc2_enable_host_interrupts(struct dwc2_hsotg *hsotg);
extern void dwc2_disable_host_interrupts(struct dwc2_hsotg *hsotg);
extern u32 dwc2_calc_frame_interval(struct dwc2_hsotg *hsotg);
extern int dwc2_check_core_status(struct dwc2_hsotg *hsotg);
extern bool dwc2_is_controller_alive(struct dwc2_hsotg *hsotg);
/*
* Common core Functions.

4
drivers/staging/dwc2/core_intr.c
View File

@ -451,8 +451,8 @@ irqreturn_t dwc2_handle_common_intr(int irq, void *dev)
u32 gintsts;
irqreturn_t retval = IRQ_NONE;
if (dwc2_check_core_status(hsotg) < 0) {
dev_warn(hsotg->dev, "Controller is disconnected\n");
if (!dwc2_is_controller_alive(hsotg)) {
dev_warn(hsotg->dev, "Controller is dead\n");
goto out;
}

4
drivers/staging/dwc2/hcd_intr.c
View File

@ -2059,8 +2059,8 @@ irqreturn_t dwc2_handle_hcd_intr(struct dwc2_hsotg *hsotg)
u32 gintsts, dbg_gintsts;
irqreturn_t retval = IRQ_NONE;
if (dwc2_check_core_status(hsotg) < 0) {
dev_warn(hsotg->dev, "Controller is disconnected\n");
if (!dwc2_is_controller_alive(hsotg) < 0) {
dev_warn(hsotg->dev, "Controller is dead\n");
return retval;
}