[PATCH] mfd: rtsx_pcr: Include linux/slab.h to fix build error

[Axel Lin]

Fix below build error:

  CC [M]  drivers/mfd/rtsx_pcr.o
drivers/mfd/rtsx_pcr.c: In function 'rtsx_pci_init_chip':
drivers/mfd/rtsx_pcr.c:985:2: error: implicit declaration of function 'kcalloc' [-Werror=implicit-function-declaration]
drivers/mfd/rtsx_pcr.c:985:13: warning: assignment makes pointer from integer without a cast [enabled by default]
drivers/mfd/rtsx_pcr.c:993:3: error: implicit declaration of function 'kfree' [-Werror=implicit-function-declaration]
drivers/mfd/rtsx_pcr.c: In function 'rtsx_pci_probe':
drivers/mfd/rtsx_pcr.c:1021:2: error: implicit declaration of function 'kzalloc' [-Werror=implicit-function-declaration]
drivers/mfd/rtsx_pcr.c:1021:6: warning: assignment makes pointer from integer without a cast [enabled by default]
drivers/mfd/rtsx_pcr.c:1027:9: warning: assignment makes pointer from integer without a cast [enabled by default]
cc1: some warnings being treated as errors
make[2]: *** [drivers/mfd/rtsx_pcr.o] Error 1
make[1]: *** [drivers/mfd] Error 2
make: *** [drivers] Error 2

Signed-off-by: Axel Lin <axel.lin@xxxxxxxxxx>
---
 drivers/mfd/rtsx_pcr.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mfd/rtsx_pcr.c b/drivers/mfd/rtsx_pcr.c
index 56d4377..a510584 100644
--- a/drivers/mfd/rtsx_pcr.c
+++ b/drivers/mfd/rtsx_pcr.c
@@ -27,6 +27,7 @@
 #include <linux/interrupt.h>
 #include <linux/delay.h>
 #include <linux/idr.h>
+#include <linux/slab.h>
 #include <linux/platform_device.h>
 #include <linux/mfd/core.h>
 #include <linux/mfd/rtsx_pci.h>
-- 
1.7.9.5



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