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 <pbrobin...@gmail.com>
Signed-off-by: Peng Fan <van.free...@gmail.com>
Cc: Stefano Babic <sba...@denx.de>
Cc: Fabio Estevam <fabio.este...@nxp.com>
Cc: Tom Rini <tr...@konsulko.com>
Cc: Anatolij Gustschin <ag...@denx.de>
Cc: Peter Robinson <pbrobin...@gmail.com>
---
Hi Peter,
Please help test this patch to see whether this fix your issue or not.
Thanks for pointing out this issue.
Thanks,
Peng.
drivers/video/ipu_common.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
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;
}
--
2.6.2
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