From: Michal Simek <[email protected]> GQSPI driver is using it but this function is never called for Versal because it is removed by linker. But function should be declared to avoid this build warning: drivers/spi/zynqmp_gqspi.c: In function 'zynqmp_qspi_set_tapdelay': drivers/spi/zynqmp_gqspi.c:378:3: warning: implicit declaration of function 'zynqmp_mmio_write' [-Wimplicit-function-declaration] 378 | zynqmp_mmio_write(IOU_TAPDLY_BYPASS_OFST,
Signed-off-by: Michal Simek <[email protected]> Signed-off-by: Ashok Reddy Soma <[email protected]> --- arch/arm/mach-versal/include/mach/sys_proto.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm/mach-versal/include/mach/sys_proto.h b/arch/arm/mach-versal/include/mach/sys_proto.h index 05934c28d6..8e5712e0c9 100644 --- a/arch/arm/mach-versal/include/mach/sys_proto.h +++ b/arch/arm/mach-versal/include/mach/sys_proto.h @@ -3,6 +3,8 @@ * Copyright 2016 - 2018 Xilinx, Inc. */ +#include <linux/build_bug.h> + enum { TCM_LOCK, TCM_SPLIT, @@ -10,3 +12,9 @@ enum { void tcm_init(u8 mode); void mem_map_fill(void); + +static inline int zynqmp_mmio_write(const u32 address, const u32 mask, const u32 value) +{ + BUILD_BUG(); + return -EINVAL; +} -- 2.17.1
