[PATCH] spi: zynq_qspi: Add missing prototype for update_stripe

[Venkatesh Yadav Abbarapu]

Add missing prototype to fix the sparse warning,
warning: no previous prototype for 'update_stripe'
[-Wmissing-prototypes].

Signed-off-by: Venkatesh Yadav Abbarapu <venkatesh.abbarapu at amd.com>
---
 drivers/spi/zynq_qspi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/spi/zynq_qspi.c b/drivers/spi/zynq_qspi.c
index f5b3fb5c125..4aad3248d9e 100644
--- a/drivers/spi/zynq_qspi.c
+++ b/drivers/spi/zynq_qspi.c
@@ -734,7 +734,7 @@ static int zynq_qspi_set_mode(struct udevice *bus, uint mode)
 	return 0;
 }
 
-bool update_stripe(const struct spi_mem_op *op)
+static bool update_stripe(const struct spi_mem_op *op)
 {
 	if (op->cmd.opcode == SPINOR_OP_BE_4K ||
 	    op->cmd.opcode == SPINOR_OP_CHIP_ERASE ||
-- 
2.17.1