zynq: sdhci: Remove zynq_sdhci_of_init()

Prepare for using DM.
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>

arch/arm/mach-zynq/include/mach/sys_proto.h

@@ -21,7 +21,6 @@ extern unsigned int zynq_get_silicon_version(void);
 
 /* Driver extern functions */
 extern int zynq_sdhci_init(phys_addr_t regbase);
-extern int zynq_sdhci_of_init(const void *blob);
 
 extern void ps7_init(void);
 

drivers/mmc/zynq_sdhci.c

@@ -32,30 +32,3 @@ int zynq_sdhci_init(phys_addr_t regbase)
 	add_sdhci(host, CONFIG_ZYNQ_SDHCI_MAX_FREQ, 0);
 	return 0;
 }
-
-#if CONFIG_IS_ENABLED(OF_CONTROL)
-int zynq_sdhci_of_init(const void *blob)
-{
-	int offset = 0;
-	u32 ret = 0;
-	phys_addr_t reg;
-
-	debug("ZYNQ SDHCI: Initialization\n");
-
-	do {
-		offset = fdt_node_offset_by_compatible(blob, offset,
-					"arasan,sdhci-8.9a");
-		if (offset != -1) {
-			reg = fdtdec_get_addr(blob, offset, "reg");
-			if (reg != FDT_ADDR_T_NONE) {
-				ret |= zynq_sdhci_init(reg);
-			} else {
-				debug("ZYNQ SDHCI: Can't get base address\n");
-				return -1;
-			}
-		}
-	} while (offset != -1);
-
-	return ret;
-}
-#endif