From: Keerthi Reddy <keerthigd4990@gmail.com>
To: outreachy-kernel@googlegroups.com
Cc: devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org,
gregkh@linuxfoundation.org
Subject: [PATCH] staging: rts5208: use usleep_range instead of udelay
Date: Mon, 2 Oct 2017 17:13:22 +0530 [thread overview]
Message-ID: <20171002114322.GA8908@manoharreddy> (raw)
Since a its a slow device, allow a small range of 100
Signed-off-by: Keerthi Reddy <Keerthigd4990@gmail.com>
---
drivers/staging/rts5208/rtsx_card.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/rts5208/rtsx_card.c b/drivers/staging/rts5208/rtsx_card.c
index a6b7bff..418e29d 100644
--- a/drivers/staging/rts5208/rtsx_card.c
+++ b/drivers/staging/rts5208/rtsx_card.c
@@ -825,7 +825,7 @@ int switch_normal_clock(struct rtsx_chip *chip, int clk)
}
if (sd_vpclk_phase_reset) {
- udelay(200);
+ usleep_range(200, 300);
retval = rtsx_write_register(chip, SD_VPCLK0_CTL,
PHASE_NOT_RESET, PHASE_NOT_RESET);
if (retval) {
@@ -838,7 +838,7 @@ int switch_normal_clock(struct rtsx_chip *chip, int clk)
rtsx_trace(chip);
return retval;
}
- udelay(200);
+ usleep_range(200, 300);
}
retval = rtsx_write_register(chip, CLK_CTL, 0xFF, 0);
if (retval) {
--
2.7.4
next reply other threads:[~2017-10-02 11:43 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-02 11:43 Keerthi Reddy [this message]
2017-10-02 11:48 ` [Outreachy kernel] [PATCH] staging: rts5208: use usleep_range instead of udelay Julia Lawall
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