[PATCH v2 18/28] powerpc/pseries/hibernation: pass stream id via function arguments
From: Nathan Lynch <hidden>
Date: 2020-12-07 22:31:00
Subsystem:
linux for powerpc (32-bit and 64-bit), the rest · Maintainers:
Madhavan Srinivasan, Linus Torvalds
There is no need for the stream id to be a file-global variable; pass it from hibernate_store() to pseries_suspend_begin() for the H_VASI_STATE call. Signed-off-by: Nathan Lynch <redacted> --- arch/powerpc/platforms/pseries/suspend.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/arch/powerpc/platforms/pseries/suspend.c b/arch/powerpc/platforms/pseries/suspend.c
index 3eaa9d59dc7a..232621f33510 100644
--- a/arch/powerpc/platforms/pseries/suspend.c
+++ b/arch/powerpc/platforms/pseries/suspend.c@@ -15,7 +15,6 @@ #include <asm/topology.h> #include "../../kernel/cacheinfo.h" -static u64 stream_id; static struct device suspend_dev; static DECLARE_COMPLETION(suspend_work); static struct rtas_suspend_me_data suspend_data;
@@ -29,7 +28,7 @@ static atomic_t suspending; * Return value: * 0 on success / other on failure **/ -static int pseries_suspend_begin(suspend_state_t state) +static int pseries_suspend_begin(u64 stream_id) { long vasi_state, rc; unsigned long retbuf[PLPAR_HCALL_BUFSIZE];
@@ -132,6 +131,7 @@ static ssize_t store_hibernate(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) { + u64 stream_id; int rc; if (!capable(CAP_SYS_ADMIN))
@@ -140,7 +140,7 @@ static ssize_t store_hibernate(struct device *dev, stream_id = simple_strtoul(buf, NULL, 16); do { - rc = pseries_suspend_begin(PM_SUSPEND_MEM); + rc = pseries_suspend_begin(stream_id); if (rc == -EAGAIN) ssleep(1); } while (rc == -EAGAIN);
@@ -148,8 +148,6 @@ static ssize_t store_hibernate(struct device *dev, if (!rc) rc = pm_suspend(PM_SUSPEND_MEM); - stream_id = 0; - if (!rc) rc = count;
--
2.28.0