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usb: isp1760: Convert timers to use timer_setup()

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In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.

Cc: "Gustavo A. R. Silva" <garsilva@embeddedor.com>
Cc: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Kees Cook 2017-10-24 03:08:09 -07:00 committed by Greg Kroah-Hartman
parent 09e005c44c
commit 7e33da59a6
2 changed files with 8 additions and 7 deletions
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8
drivers/usb/isp1760/isp1760-hcd.c
View file

@ -1258,10 +1258,11 @@ static irqreturn_t isp1760_irq(struct usb_hcd *hcd)
#define SLOT_TIMEOUT 300
#define SLOT_CHECK_PERIOD 200
static struct timer_list errata2_timer;
static struct usb_hcd *errata2_timer_hcd;
static void errata2_function(unsigned long data)
static void errata2_function(struct timer_list *unused)
{
struct usb_hcd *hcd = (struct usb_hcd *) data;
struct usb_hcd *hcd = errata2_timer_hcd;
struct isp1760_hcd *priv = hcd_to_priv(hcd);
int slot;
struct ptd ptd;
@ -1333,7 +1334,8 @@ static int isp1760_run(struct usb_hcd *hcd)
if (retval)
return retval;
setup_timer(&errata2_timer, errata2_function, (unsigned long)hcd);
errata2_timer_hcd = hcd;
timer_setup(&errata2_timer, errata2_function, 0);
errata2_timer.expires = jiffies + msecs_to_jiffies(SLOT_CHECK_PERIOD);
add_timer(&errata2_timer);

7
drivers/usb/isp1760/isp1760-udc.c
View file

@ -1331,9 +1331,9 @@ static irqreturn_t isp1760_udc_irq(int irq, void *dev)
return status ? IRQ_HANDLED : IRQ_NONE;
}
static void isp1760_udc_vbus_poll(unsigned long data)
static void isp1760_udc_vbus_poll(struct timer_list *t)
{
struct isp1760_udc *udc = (struct isp1760_udc *)data;
struct isp1760_udc *udc = from_timer(udc, t, vbus_timer);
unsigned long flags;
spin_lock_irqsave(&udc->lock, flags);
@ -1452,8 +1452,7 @@ int isp1760_udc_register(struct isp1760_device *isp, int irq,
udc->regs = isp->regs;
spin_lock_init(&udc->lock);
setup_timer(&udc->vbus_timer, isp1760_udc_vbus_poll,
(unsigned long)udc);
timer_setup(&udc->vbus_timer, isp1760_udc_vbus_poll, 0);
ret = isp1760_udc_init(udc);
if (ret < 0)