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authorThorsten Blum <[email protected]>2024-10-26 15:53:04 +0000
committerDinh Nguyen <[email protected]>2024-12-17 00:22:00 +0000
commitee46245564a8d74ae96394269f173f8306669c04 (patch)
tree148c2c4ad33dab2b01a01872e0d73db4a11cf710
parentLinux 6.13-rc1 (diff)
downloadkernel-ee46245564a8d74ae96394269f173f8306669c04.tar.gz
kernel-ee46245564a8d74ae96394269f173f8306669c04.zip
clk: socfpga: arria10: Optimize local variables in clk_pll_recalc_rate()
Since readl() returns a u32, the local variable reg can also have the data type u32. Furthermore, divf and divq are derived from reg and can also be a u32. Since do_div() casts the divisor to u32 anyway, changing the data type of divq to u32 also removes the following Coccinelle/coccicheck warning reported by do_div.cocci: WARNING: do_div() does a 64-by-32 division, please consider using div64_ul instead Compile-tested only. Signed-off-by: Thorsten Blum <[email protected]> Signed-off-by: Dinh Nguyen <[email protected]>
-rw-r--r--drivers/clk/socfpga/clk-pll-a10.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/clk/socfpga/clk-pll-a10.c b/drivers/clk/socfpga/clk-pll-a10.c
index b028f25c658a..62eed964c3d0 100644
--- a/drivers/clk/socfpga/clk-pll-a10.c
+++ b/drivers/clk/socfpga/clk-pll-a10.c
@@ -35,7 +35,7 @@ static unsigned long clk_pll_recalc_rate(struct clk_hw *hwclk,
unsigned long parent_rate)
{
struct socfpga_pll *socfpgaclk = to_socfpga_clk(hwclk);
- unsigned long divf, divq, reg;
+ u32 divf, divq, reg;
unsigned long long vco_freq;
/* read VCO1 reg for numerator and denominator */