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staging: dwc2: rename dwc2_check_core_status() 

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; 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) if (readl(hsotg->regs + GSNPSID) == 0xffffffff)
return -1; return false;
else 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 void dwc2_disable_host_interrupts(struct dwc2_hsotg *hsotg);
extern u32 dwc2_calc_frame_interval(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. * 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; u32 gintsts;
irqreturn_t retval = IRQ_NONE; irqreturn_t retval = IRQ_NONE;
if (dwc2_check_core_status(hsotg) < 0) { if (!dwc2_is_controller_alive(hsotg)) {
dev_warn(hsotg->dev, "Controller is disconnected\n"); dev_warn(hsotg->dev, "Controller is dead\n");
goto out; 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; u32 gintsts, dbg_gintsts;
irqreturn_t retval = IRQ_NONE; irqreturn_t retval = IRQ_NONE;
if (dwc2_check_core_status(hsotg) < 0) { if (!dwc2_is_controller_alive(hsotg) < 0) {
dev_warn(hsotg->dev, "Controller is disconnected\n"); dev_warn(hsotg->dev, "Controller is dead\n");
return retval; return retval;
} }