@@ -9,6 +9,7 @@
#include <linux/bitfield.h>
#include <linux/kernel.h>
+#include <linux/limits.h>
#include <linux/math.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
@@ -279,7 +280,7 @@ static u32 calc_l0s_latency(u32 lnkcap)
static u32 calc_l0s_acceptable(u32 encoding)
{
if (encoding == 0x7)
- return -1U;
+ return U32_MAX;
return (64 << encoding);
}
@@ -297,7 +298,7 @@ static u32 calc_l1_latency(u32 lnkcap)
static u32 calc_l1_acceptable(u32 encoding)
{
if (encoding == 0x7)
- return -1U;
+ return U32_MAX;
return (1000 << encoding);
}
Instead of returning a bit obscure -1U, make code's intent of returning the maximum representable value more obvious by returning U32_MAX. Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> --- drivers/pci/pcie/aspm.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)