From ac3167257b9fe16c9426c2087ead1c9f1b0992b1 Mon Sep 17 00:00:00 2001 From: Randy Dunlap Date: Tue, 19 Jun 2018 22:47:28 -0700 Subject: headers: separate linux/mod_devicetable.h from linux/platform_device.h At over 4000 #includes, is the 9th most #included header file in the Linux kernel. It does not need , so drop that header and explicitly add to source files that need it. 4146 #include After this patch, there are 225 files that use , for a reduction of around 3900 times that does not have to be read & parsed. 225 #include This patch was build-tested on 20 different arch-es. It also makes these drivers SubmitChecklist#1 compliant. Signed-off-by: Randy Dunlap Reported-by: kbuild test robot # drivers/media/platform/vimc/ Reported-by: kbuild test robot # drivers/pinctrl/pinctrl-u300.c Signed-off-by: Greg Kroah-Hartman --- drivers/perf/arm-ccn.c | 1 + 1 file changed, 1 insertion(+) (limited to 'drivers/perf/arm-ccn.c') diff --git a/drivers/perf/arm-ccn.c b/drivers/perf/arm-ccn.c index b416ee18e6bb..860f5bd8dce8 100644 --- a/drivers/perf/arm-ccn.c +++ b/drivers/perf/arm-ccn.c @@ -17,6 +17,7 @@ #include #include #include +#include #include #include #include -- cgit v1.2.3 From 809092dc3e606f3508b53baa624b27bfff8f0e7f Mon Sep 17 00:00:00 2001 From: Sudeep Holla Date: Thu, 26 Jul 2018 12:23:31 +0100 Subject: drivers/perf: arm-ccn: Use devm_ioremap_resource() to map memory Instead of checking the return value of platform_get_resource(), we can use devm_ioremap_resource() which has the NULL pointer check and the memory region requesting. devm_ioremap_resource is designed to replace calls to devm_request_mem_region followed by devm_ioremap, so let's use the same. Cc: Will Deacon Cc: Mark Rutland Signed-off-by: Sudeep Holla Signed-off-by: Will Deacon --- drivers/perf/arm-ccn.c | 14 +++----------- 1 file changed, 3 insertions(+), 11 deletions(-) (limited to 'drivers/perf/arm-ccn.c') diff --git a/drivers/perf/arm-ccn.c b/drivers/perf/arm-ccn.c index b416ee18e6bb..4b15c36f4631 100644 --- a/drivers/perf/arm-ccn.c +++ b/drivers/perf/arm-ccn.c @@ -1485,17 +1485,9 @@ static int arm_ccn_probe(struct platform_device *pdev) platform_set_drvdata(pdev, ccn); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) - return -EINVAL; - - if (!devm_request_mem_region(ccn->dev, res->start, - resource_size(res), pdev->name)) - return -EBUSY; - - ccn->base = devm_ioremap(ccn->dev, res->start, - resource_size(res)); - if (!ccn->base) - return -EFAULT; + ccn->base = devm_ioremap_resource(ccn->dev, res); + if (IS_ERR(ccn->base)) + return PTR_ERR(ccn->base); res = platform_get_resource(pdev, IORESOURCE_IRQ, 0); if (!res) -- cgit v1.2.3