diff options
| author |   Aaro Koskinen <aaro.koskinen@iki.fi> | 2012-11-21 21:48:51 +0200 |
|---|---|---|
| committer |   Tomi Valkeinen <tomi.valkeinen@ti.com> | 2012-11-22 17:23:12 +0200 |
| commit | 8ad9375f8b7c709b89f7de4de413bb2644ba3c24 (patch) | |
| tree | 12d22fb991733f9ba19f961062c9ff7e8a2db09a /drivers/video/omap2/dss/dss.c | |
| parent | OMAPFB: Fix possible null pointer dereferencing (diff) | |
| download | linux-dev-8ad9375f8b7c709b89f7de4de413bb2644ba3c24.tar.xz linux-dev-8ad9375f8b7c709b89f7de4de413bb2644ba3c24.zip | |
OMAPDSS: do not fail if dpll4_m4_ck is missing
Do not fail if dpll4_m4_ck is missing. The clock is not there on omap24xx,
so this should not be a hard error.
The patch retains the functionality before the commit 185bae10 (OMAPDSS:
DSS: Cleanup cpu_is_xxxx checks).
Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Diffstat (limited to '')
| -rw-r--r-- | drivers/video/omap2/dss/dss.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/drivers/video/omap2/dss/dss.c b/drivers/video/omap2/dss/dss.c index 0bb7406bdbb8..5f6eea801b06 100644 --- a/drivers/video/omap2/dss/dss.c +++ b/drivers/video/omap2/dss/dss.c @@ -697,11 +697,15 @@ static int dss_get_clocks(void) dss.dss_clk = clk; - clk = clk_get(NULL, dss.feat->clk_name); - if (IS_ERR(clk)) { - DSSERR("Failed to get %s\n", dss.feat->clk_name); - r = PTR_ERR(clk); - goto err; + if (dss.feat->clk_name) { + clk = clk_get(NULL, dss.feat->clk_name); + if (IS_ERR(clk)) { + DSSERR("Failed to get %s\n", dss.feat->clk_name); + r = PTR_ERR(clk); + goto err; + } + } else { + clk = NULL; } dss.dpll4_m4_ck = clk; |