[PATCH] mmc: zynq_sdhci: Add xilinx_pm_request weak function

[T Karthik Reddy]

Mini emmc does not use any pmufw and ZYNQMP_FIRMWARE is disabled.
xilinx_pm_request() will not be compiled and causes undefined reference to
`xilinx_pm_request' error. So add a weak function in zynq_sdhci.c file.

Signed-off-by: T Karthik Reddy <t.karthik.reddy at xilinx.com>
Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma at xilinx.com>
---

 drivers/mmc/zynq_sdhci.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/mmc/zynq_sdhci.c b/drivers/mmc/zynq_sdhci.c
index c94825dceb..5cea4c695e 100644
--- a/drivers/mmc/zynq_sdhci.c
+++ b/drivers/mmc/zynq_sdhci.c
@@ -69,6 +69,12 @@ __weak int zynqmp_mmio_write(const u32 address, const u32 mask, const u32 value)
 	return 0;
 }
 
+__weak int xilinx_pm_request(u32 api_id, u32 arg0, u32 arg1, u32 arg2,
+			     u32 arg3, u32 *ret_payload)
+{
+	return 0;
+}
+
 #if defined(CONFIG_ARCH_ZYNQMP) || defined(CONFIG_ARCH_VERSAL)
 /* Default settings for ZynqMP Clock Phases */
 static const u32 zynqmp_iclk_phases[] = {0, 63, 63, 0, 63,  0,
-- 
2.17.1