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Message-ID: <4822329bce6607da8bd434a083724569b61210ff.1533614243.git.leobras.c@gmail.com>
Date: Tue, 7 Aug 2018 01:04:56 -0300
From: Leonardo Brás <leobras.c@...il.com>
To: Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: [PATCH 01/11] staging: fbtft: Changes udelay(n) to usleep_range(n, n
+ 1). - Style
Signed-off-by: Leonardo Brás <leobras.c@...il.com>
---
drivers/staging/fbtft/fb_agm1264k-fl.c | 2 +-
drivers/staging/fbtft/fb_ra8875.c | 4 ++--
drivers/staging/fbtft/fb_tinylcd.c | 2 +-
drivers/staging/fbtft/fb_upd161704.c | 19 +++++++++----------
drivers/staging/fbtft/fb_watterott.c | 4 ++--
5 files changed, 15 insertions(+), 16 deletions(-)
diff --git a/drivers/staging/fbtft/fb_agm1264k-fl.c b/drivers/staging/fbtft/fb_agm1264k-fl.c
index f6f30f5bf15a..c936950ce56d 100644
--- a/drivers/staging/fbtft/fb_agm1264k-fl.c
+++ b/drivers/staging/fbtft/fb_agm1264k-fl.c
@@ -85,7 +85,7 @@ static void reset(struct fbtft_par *par)
dev_dbg(par->info->device, "%s()\n", __func__);
gpio_set_value(par->gpio.reset, 0);
- udelay(20);
+ usleep_range(20, 21);
gpio_set_value(par->gpio.reset, 1);
mdelay(120);
}
diff --git a/drivers/staging/fbtft/fb_ra8875.c b/drivers/staging/fbtft/fb_ra8875.c
index 5d3b76ca74d8..e2a62677b65b 100644
--- a/drivers/staging/fbtft/fb_ra8875.c
+++ b/drivers/staging/fbtft/fb_ra8875.c
@@ -217,7 +217,7 @@ static void write_reg8_bus8(struct fbtft_par *par, int len, ...)
}
len--;
- udelay(100);
+ usleep_range(100, 101);
if (len) {
buf = (u8 *)par->buf;
@@ -238,7 +238,7 @@ static void write_reg8_bus8(struct fbtft_par *par, int len, ...)
/* restore user spi-speed */
par->fbtftops.write = fbtft_write_spi;
- udelay(100);
+ usleep_range(100, 101);
}
static int write_vmem16_bus8(struct fbtft_par *par, size_t offset, size_t len)
diff --git a/drivers/staging/fbtft/fb_tinylcd.c b/drivers/staging/fbtft/fb_tinylcd.c
index e463b0ddf16d..3b2af1becca8 100644
--- a/drivers/staging/fbtft/fb_tinylcd.c
+++ b/drivers/staging/fbtft/fb_tinylcd.c
@@ -41,7 +41,7 @@ static int init_display(struct fbtft_par *par)
0x00, 0x35, 0x33, 0x00, 0x00, 0x00);
write_reg(par, MIPI_DCS_SET_PIXEL_FORMAT, 0x55);
write_reg(par, MIPI_DCS_EXIT_SLEEP_MODE);
- udelay(250);
+ usleep_range(250, 251);
write_reg(par, MIPI_DCS_SET_DISPLAY_ON);
return 0;
diff --git a/drivers/staging/fbtft/fb_upd161704.c b/drivers/staging/fbtft/fb_upd161704.c
index acc425fdf34e..10794f81b66e 100644
--- a/drivers/staging/fbtft/fb_upd161704.c
+++ b/drivers/staging/fbtft/fb_upd161704.c
@@ -36,27 +36,26 @@ static int init_display(struct fbtft_par *par)
/* oscillator start */
write_reg(par, 0x003A, 0x0001); /*Oscillator 0: stop, 1: operation */
- udelay(100);
-
+ usleep_range(100, 101);
/* y-setting */
write_reg(par, 0x0024, 0x007B); /* amplitude setting */
- udelay(10);
+ usleep_range(10, 11);
write_reg(par, 0x0025, 0x003B); /* amplitude setting */
write_reg(par, 0x0026, 0x0034); /* amplitude setting */
- udelay(10);
+ usleep_range(10, 11);
write_reg(par, 0x0027, 0x0004); /* amplitude setting */
write_reg(par, 0x0052, 0x0025); /* circuit setting 1 */
- udelay(10);
+ usleep_range(10, 11);
write_reg(par, 0x0053, 0x0033); /* circuit setting 2 */
write_reg(par, 0x0061, 0x001C); /* adjustment V10 positive polarity */
- udelay(10);
+ usleep_range(10, 11);
write_reg(par, 0x0062, 0x002C); /* adjustment V9 negative polarity */
write_reg(par, 0x0063, 0x0022); /* adjustment V34 positive polarity */
- udelay(10);
+ usleep_range(10, 11);
write_reg(par, 0x0064, 0x0027); /* adjustment V31 negative polarity */
- udelay(10);
+ usleep_range(10, 11);
write_reg(par, 0x0065, 0x0014); /* adjustment V61 negative polarity */
- udelay(10);
+ usleep_range(10, 11);
write_reg(par, 0x0066, 0x0010); /* adjustment V61 negative polarity */
/* Basical clock for 1 line (BASECOUNT[7:0]) number specified */
@@ -64,7 +63,7 @@ static int init_display(struct fbtft_par *par)
/* Power supply setting */
write_reg(par, 0x0019, 0x0000); /* DC/DC output setting */
- udelay(200);
+ usleep_range(200, 201);
write_reg(par, 0x001A, 0x1000); /* DC/DC frequency setting */
write_reg(par, 0x001B, 0x0023); /* DC/DC rising setting */
write_reg(par, 0x001C, 0x0C01); /* Regulator voltage setting */
diff --git a/drivers/staging/fbtft/fb_watterott.c b/drivers/staging/fbtft/fb_watterott.c
index bfd1527f20f7..9ad4307a50c8 100644
--- a/drivers/staging/fbtft/fb_watterott.c
+++ b/drivers/staging/fbtft/fb_watterott.c
@@ -83,7 +83,7 @@ static int write_vmem(struct fbtft_par *par, size_t offset, size_t len)
par->txbuf.buf, 10 + par->info->fix.line_length);
if (ret < 0)
return ret;
- udelay(300);
+ usleep_range(300, 301);
}
return 0;
@@ -122,7 +122,7 @@ static int write_vmem_8bit(struct fbtft_par *par, size_t offset, size_t len)
par->txbuf.buf, 10 + par->info->var.xres);
if (ret < 0)
return ret;
- udelay(700);
+ usleep_range(700, 701);
}
return 0;
--
2.18.0
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