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| author | Peng Fan <van.freenix@gmail.com> | 2016-04-28 10:07:53 +0800 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2016-04-28 16:28:45 +0200 |
| commit | c510f2e436008e55a50b063f2180cb1e63984224 (patch) | |
| tree | c33900792f85273a7cadd24769b6d4dea7c8ff4b /drivers | |
| parent | e25b369c048b51b1feb79587750e7e160fc0bd73 (diff) | |
| download | u-boot-imx-c510f2e436008e55a50b063f2180cb1e63984224.zip u-boot-imx-c510f2e436008e55a50b063f2180cb1e63984224.tar.gz u-boot-imx-c510f2e436008e55a50b063f2180cb1e63984224.tar.bz2 | |
video: ipu_common: fix build error
Some toolchains fail to build
"clk->rate = (u64)(clk->parent->rate * 16) / div;"
And the cast usage is wrong.
Use the following code to fix the issue,
"
do_div(parent_rate, div);
clk->rate = parent_rate;
"
Reported-by: Peter Robinson <pbrobinson@gmail.com>
Signed-off-by: Peng Fan <van.freenix@gmail.com>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Fabio Estevam <fabio.estevam@nxp.com>
Cc: Tom Rini <trini@konsulko.com>
Cc: Anatolij Gustschin <agust@denx.de>
Cc: Peter Robinson <pbrobinson@gmail.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Tested-by: Peter Robinson <pbrobinson@gmail.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/video/ipu_common.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/video/ipu_common.c b/drivers/video/ipu_common.c index 36d4b23..5676a0f 100644 --- a/drivers/video/ipu_common.c +++ b/drivers/video/ipu_common.c @@ -352,7 +352,9 @@ static int ipu_pixel_clk_set_rate(struct clk *clk, unsigned long rate) */ __raw_writel((div / 16) << 16, DI_BS_CLKGEN1(clk->id)); - clk->rate = (u64)(clk->parent->rate * 16) / div; + do_div(parent_rate, div); + + clk->rate = parent_rate; return 0; } |