openwrt/target/linux/mediatek/patches-5.15/436-drivers-mtd-spi-nor-Add-calibration-support-for-spi-.patch
John Audia ac422c9788
kernel: bump 5.15 to 5.15.132
Changelog: https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.132

Removed upstreamed:
	bcm53xx/patches-5.15/037-v6.6-0006-ARM-dts-BCM53573-Add-cells-sizes-to-PCIe-node.patch[1]
	bcm53xx/patches-5.15/037-v6.6-0007-ARM-dts-BCM53573-Use-updated-spi-gpio-binding-proper.patch[2]
	bcm53xx/patches-5.15/037-v6.6-0008-ARM-dts-BCM5301X-Extend-RAM-to-full-256MB-for-Linksy.patch[3]

All other patches automatically rebased.

1. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.132&id=b35f3ca1877e024887df205ede952863d65dad36
2. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.132&id=2840d9b9c8750be270fb1153ccd5b983cbb5d592
3. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.132&id=f086e859ddc252c32f0438edff241859c0f022ce

Build system: x86_64
Build-tested: ramips/tplink_archer-a6-v3
Run-tested: ramips/tplink_archer-a6-v3

Signed-off-by: John Audia <therealgraysky@proton.me>
2023-09-20 14:13:00 +02:00

58 lines
1.7 KiB
Diff

From f3fe3b15eca7908eaac57f9b8387a5dbc45ec5b2 Mon Sep 17 00:00:00 2001
From: "SkyLake.Huang" <skylake.huang@mediatek.com>
Date: Thu, 23 Jun 2022 18:40:59 +0800
Subject: [PATCH 6/6] drivers: mtd: spi-nor: Add calibration support for
spi-nor
Signed-off-by: SkyLake.Huang <skylake.huang@mediatek.com>
---
drivers/mtd/nand/spi/core.c | 5 ++++-
drivers/mtd/spi-nor/core.c | 15 +++++++++++++++
2 files changed, 19 insertions(+), 1 deletion(-)
--- a/drivers/mtd/nand/spi/core.c
+++ b/drivers/mtd/nand/spi/core.c
@@ -1018,7 +1018,10 @@ int spinand_cal_read(void *priv, u32 *ad
if (ret)
return ret;
- ret = spinand_wait(spinand, &status);
+ ret = spinand_wait(spinand,
+ SPINAND_READ_INITIAL_DELAY_US,
+ SPINAND_READ_POLL_DELAY_US,
+ &status);
if (ret < 0)
return ret;
--- a/drivers/mtd/spi-nor/core.c
+++ b/drivers/mtd/spi-nor/core.c
@@ -3061,6 +3061,18 @@ static void spi_nor_debugfs_init(struct
info->id_len, info->id);
}
+static int spi_nor_cal_read(void *priv, u32 *addr, int addrlen, u8 *buf, int readlen)
+{
+ struct spi_nor *nor = (struct spi_nor *)priv;
+
+ nor->reg_proto = SNOR_PROTO_1_1_1;
+ nor->read_proto = SNOR_PROTO_1_1_1;
+ nor->read_opcode = SPINOR_OP_READ;
+ nor->read_dummy = 0;
+
+ return nor->controller_ops->read(nor, *addr, readlen, buf);
+}
+
static const struct flash_info *spi_nor_get_flash_info(struct spi_nor *nor,
const char *name)
{
@@ -3134,6 +3146,9 @@ int spi_nor_scan(struct spi_nor *nor, co
if (!nor->bouncebuf)
return -ENOMEM;
+ if(nor->spimem)
+ spi_mem_do_calibration(nor->spimem, spi_nor_cal_read, nor);
+
info = spi_nor_get_flash_info(nor, name);
if (IS_ERR(info))
return PTR_ERR(info);