[12/28] ARM: davinci: da850-evm: use nvmem lookup for mac address

Message ID 20180808153150.23444-13-brgl@bgdev.pl
State New
Headers show
Series
  • at24: remove at24_platform_data
Related show

Commit Message

Bartosz Golaszewski Aug. 8, 2018, 3:31 p.m.
From: Bartosz Golaszewski <bgolaszewski@baylibre.com>

We now support nvmem lookups for machine code. Add a lookup for
mac-address.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
---
 arch/arm/mach-davinci/board-da850-evm.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

Patch

diff --git a/arch/arm/mach-davinci/board-da850-evm.c b/arch/arm/mach-davinci/board-da850-evm.c
index 6d5beb11bd96..5a634a04ec69 100644
--- a/arch/arm/mach-davinci/board-da850-evm.c
+++ b/arch/arm/mach-davinci/board-da850-evm.c
@@ -29,6 +29,7 @@ 
 #include <linux/mtd/rawnand.h>
 #include <linux/mtd/partitions.h>
 #include <linux/mtd/physmap.h>
+#include <linux/nvmem-provider.h>
 #include <linux/platform_device.h>
 #include <linux/platform_data/gpio-davinci.h>
 #include <linux/platform_data/mtd-davinci.h>
@@ -99,6 +100,19 @@  static struct mtd_partition da850evm_spiflash_part[] = {
 	},
 };
 
+static struct nvmem_cell_lookup da850evm_mac_address_cell = {
+	.info = {
+		.name = "mac-address",
+		.offset = 0x0,
+		.bytes = ETH_ALEN,
+	},
+	/*
+	 * The nvmem name differs from the partition name because of the
+	 * internal works of the nvmem framework.
+	 */
+	.nvmem_name = "MAC-Address0",
+};
+
 static struct flash_platform_data da850evm_spiflash_data = {
 	.name		= "m25p80",
 	.parts		= da850evm_spiflash_part,
@@ -1447,6 +1461,8 @@  static __init void da850_evm_init(void)
 		pr_warn("%s: spi info registration failed: %d\n", __func__,
 			ret);
 
+	nvmem_add_lookup_table(&da850evm_mac_address_cell, 1);
+
 	ret = da8xx_register_spi_bus(1, ARRAY_SIZE(da850evm_spi_info));
 	if (ret)
 		pr_warn("%s: SPI 1 registration failed: %d\n", __func__, ret);