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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2021-08-12 20:00:24 +0300
committerStephen Boyd <sboyd@kernel.org>2021-08-12 22:42:00 +0300
commit82f53f9ee5770177eb102446cc3513bf07e2668a (patch)
tree40ff03911a7d5b565cf0f889c5c8a8ad6cfb7892 /drivers/acpi/acpi_lpss.c
parent928f9e2686110825262685b7aedc7b21b805fecd (diff)
downloadlinux-82f53f9ee5770177eb102446cc3513bf07e2668a.tar.xz
clk: fractional-divider: Introduce POWER_OF_TWO_PS flag
The newly introduced POWER_OF_TWO_PS flag, when set, makes the flow to skip the assumption that the caller will use an additional 2^scale prescaler to get the desired clock rate. Reported-by: Liu Ying <victor.liu@nxp.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20210812170025.67074-3-andriy.shevchenko@linux.intel.com Signed-off-by: Stephen Boyd <sboyd@kernel.org>
Diffstat (limited to 'drivers/acpi/acpi_lpss.c')
-rw-r--r--drivers/acpi/acpi_lpss.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c
index 894b7e6ae144..55c5e89d6a7b 100644
--- a/drivers/acpi/acpi_lpss.c
+++ b/drivers/acpi/acpi_lpss.c
@@ -434,8 +434,8 @@ static int register_device_clock(struct acpi_device *adev,
if (!clk_name)
return -ENOMEM;
clk = clk_register_fractional_divider(NULL, clk_name, parent,
- 0, prv_base,
- 1, 15, 16, 15, 0, NULL);
+ CLK_FRAC_DIVIDER_POWER_OF_TWO_PS,
+ prv_base, 1, 15, 16, 15, 0, NULL);
parent = clk_name;
clk_name = kasprintf(GFP_KERNEL, "%s-update", devname);