diff options
author | Andi Shyti <andi.shyti@kernel.org> | 2025-04-18 23:16:31 +0200 |
---|---|---|
committer | Andi Shyti <andi@smida.it> | 2025-05-19 22:23:56 +0200 |
commit | 9f64de0f8522ec5b2d3208b6d3b47e8b8a0f0c3c (patch) | |
tree | 89710efb77f374a4e0d595607f3f4ac49a3cd070 | |
parent | eb9b9b1e193e93da38b4773d90686cc7ffb077ec (diff) |
i2c: iproc: Replace udelay() with usleep_range()
Replace udelay(100) with usleep_range(100, 200) as recommended
by kernel documentation. The delay is not in atomic context, so
busy-waiting is unnecessary.
Also update the comment for clarity.
Link: https://lore.kernel.org/r/20250418211635.2666234-7-andi.shyti@kernel.org
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
-rw-r--r-- | drivers/i2c/busses/i2c-bcm-iproc.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/i2c/busses/i2c-bcm-iproc.c b/drivers/i2c/busses/i2c-bcm-iproc.c index 44083698121a..2e04ea157e8e 100644 --- a/drivers/i2c/busses/i2c-bcm-iproc.c +++ b/drivers/i2c/busses/i2c-bcm-iproc.c @@ -276,8 +276,8 @@ static void bcm_iproc_i2c_slave_init( val |= BIT(CFG_RESET_SHIFT); iproc_i2c_wr_reg(iproc_i2c, CFG_OFFSET, val); - /* wait 100 usec per spec */ - udelay(100); + /* wait approximately 100 usec as per spec */ + usleep_range(100, 200); /* bring controller out of reset */ val &= ~(BIT(CFG_RESET_SHIFT)); @@ -687,8 +687,8 @@ static void bcm_iproc_i2c_init(struct bcm_iproc_i2c_dev *iproc_i2c) val &= ~(BIT(CFG_EN_SHIFT)); iproc_i2c_wr_reg(iproc_i2c, CFG_OFFSET, val); - /* wait 100 usec per spec */ - udelay(100); + /* wait approximately 100 usec as per spec */ + usleep_range(100, 200); /* bring controller out of reset */ val &= ~(BIT(CFG_RESET_SHIFT)); |