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Subject: [media] staging: sir: use usleep_range() rather than busy looping Author: Sean Young <[email protected]> Date: Tue Mar 7 17:01:48 2017 -0300 usleep_range() is perfect for this. Signed-off-by: Sean Young <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/staging/media/lirc/lirc_sir.c | 17 +---------------- 1 file changed, 1 insertion(+), 16 deletions(-) --- diff --git a/drivers/staging/media/lirc/lirc_sir.c b/drivers/staging/media/lirc/lirc_sir.c index 1362900f2ec4..e21f163026d8 100644 --- a/drivers/staging/media/lirc/lirc_sir.c +++ b/drivers/staging/media/lirc/lirc_sir.c @@ -76,21 +76,6 @@ static inline void soutp(int offset, int value) outb(value, io + offset); } -#ifndef MAX_UDELAY_MS -#define MAX_UDELAY_US 5000 -#else -#define MAX_UDELAY_US (MAX_UDELAY_MS * 1000) -#endif - -static void safe_udelay(unsigned long usecs) -{ - while (usecs > MAX_UDELAY_US) { - udelay(MAX_UDELAY_US); - usecs -= MAX_UDELAY_US; - } - udelay(usecs); -} - /* SECTION: Communication with user-space */ static int sir_tx_ir(struct rc_dev *dev, unsigned int *tx_buf, unsigned int count) @@ -281,7 +266,7 @@ static irqreturn_t sir_interrupt(int irq, void *dev_id) static void send_space(unsigned long len) { - safe_udelay(len); + usleep_range(len, len + 25); } static void send_pulse(unsigned long len) _______________________________________________ linuxtv-commits mailing list [email protected] https://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
