diff options
| author | Tomi Valkeinen <tomi.valkeinen@nokia.com> | 2010-01-07 15:19:48 +0300 |
|---|---|---|
| committer | Tomi Valkeinen <tomi.valkeinen@nokia.com> | 2010-01-11 15:45:26 +0300 |
| commit | 24be78b32f0a6e14aead3eac89d768a361b091b3 (patch) | |
| tree | 38f1f736bf0faa638d2fe1f45a356b802f021ca4 /drivers/video/omap2/dss | |
| parent | f3a82d11d478a9eb5ff0cfa83796f0ba8149d841 (diff) | |
| download | linux-24be78b32f0a6e14aead3eac89d768a361b091b3.tar.xz | |
OMAP: DSS2: Make check-delay-loops consistent
Loops checking for certain condition were rather inconsistent.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@nokia.com>
Reported-by: Juha Leppanen <juha_motorsportcom@luukku.com>
Diffstat (limited to 'drivers/video/omap2/dss')
| -rw-r--r-- | drivers/video/omap2/dss/dsi.c | 14 | ||||
| -rw-r--r-- | drivers/video/omap2/dss/dss.c | 6 |
2 files changed, 10 insertions, 10 deletions
diff --git a/drivers/video/omap2/dss/dsi.c b/drivers/video/omap2/dss/dsi.c index e32a53c0889f..6122178f5f85 100644 --- a/drivers/video/omap2/dss/dsi.c +++ b/drivers/video/omap2/dss/dsi.c @@ -828,12 +828,12 @@ static int dsi_pll_power(enum dsi_pll_power_state state) /* PLL_PWR_STATUS */ while (FLD_GET(dsi_read_reg(DSI_CLK_CTRL), 29, 28) != state) { - udelay(1); - if (t++ > 1000) { + if (++t > 1000) { DSSERR("Failed to set DSI PLL power mode to %d\n", state); return -ENODEV; } + udelay(1); } return 0; @@ -1441,12 +1441,12 @@ static int dsi_complexio_power(enum dsi_complexio_power_state state) /* PWR_STATUS */ while (FLD_GET(dsi_read_reg(DSI_COMPLEXIO_CFG1), 26, 25) != state) { - udelay(1); - if (t++ > 1000) { + if (++t > 1000) { DSSERR("failed to set complexio power state to " "%d\n", state); return -ENODEV; } + udelay(1); } return 0; @@ -1646,10 +1646,10 @@ static void dsi_complexio_uninit(void) static int _dsi_wait_reset(void) { - int i = 0; + int t = 0; while (REG_GET(DSI_SYSSTATUS, 0, 0) == 0) { - if (i++ > 5) { + if (++t > 5) { DSSERR("soft reset failed\n"); return -ENODEV; } @@ -2706,7 +2706,6 @@ static int dsi_update_screen_l4(struct omap_dss_device *dssdev, /* using fifo not empty */ /* TX_FIFO_NOT_EMPTY */ while (FLD_GET(dsi_read_reg(DSI_VC_CTRL(0)), 5, 5)) { - udelay(1); fifo_stalls++; if (fifo_stalls > 0xfffff) { DSSERR("fifo stalls overflow, pixels left %d\n", @@ -2714,6 +2713,7 @@ static int dsi_update_screen_l4(struct omap_dss_device *dssdev, dsi_if_enable(0); return -EIO; } + udelay(1); } #elif 1 /* using fifo emptiness */ diff --git a/drivers/video/omap2/dss/dss.c b/drivers/video/omap2/dss/dss.c index 9b05ee65a15d..0a26b7d84d41 100644 --- a/drivers/video/omap2/dss/dss.c +++ b/drivers/video/omap2/dss/dss.c @@ -467,14 +467,14 @@ static irqreturn_t dss_irq_handler_omap3(int irq, void *arg) static int _omap_dss_wait_reset(void) { - unsigned timeout = 1000; + int t = 0; while (REG_GET(DSS_SYSSTATUS, 0, 0) == 0) { - udelay(1); - if (!--timeout) { + if (++t > 1000) { DSSERR("soft reset failed\n"); return -ENODEV; } + udelay(1); } return 0; |