mediatek: attach bmt to the new snand driver
authorChuanhong Guo <gch981213@gmail.com>
Fri, 20 Aug 2021 07:21:40 +0000 (15:21 +0800)
committerChuanhong Guo <gch981213@gmail.com>
Fri, 27 Aug 2021 02:26:25 +0000 (10:26 +0800)
Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
target/linux/mediatek/patches-5.10/330-mtk-bmt-support.patch

index 699870fbd66a4b6c34ff5712e822fae80f5abdcf..ca1e74b863e17cdf3efe3862f49760b1abad849b 100644 (file)
 +MODULE_AUTHOR("Xiangsheng Hou <xiangsheng.hou@mediatek.com>, Felix Fietkau <nbd@nbd.name>");
 +MODULE_DESCRIPTION("Bad Block mapping management v2 for MediaTek NAND Flash Driver");
 +
---- a/drivers/mtd/nand/spi/core.c
-+++ b/drivers/mtd/nand/spi/core.c
-@@ -19,6 +19,7 @@
- #include <linux/string.h>
- #include <linux/spi/spi.h>
- #include <linux/spi/spi-mem.h>
-+#include <linux/mtd/mtk_bmt.h>
- static int spinand_read_reg_op(struct spinand_device *spinand, u8 reg, u8 *val)
- {
-@@ -1140,6 +1141,8 @@ static int spinand_probe(struct spi_mem
-       if (ret)
-               return ret;
-+      mtk_bmt_attach(mtd);
-+
-       ret = mtd_device_register(mtd, NULL, 0);
-       if (ret)
-               goto err_spinand_cleanup;
-@@ -1165,6 +1168,7 @@ static int spinand_remove(struct spi_mem
-       if (ret)
-               return ret;
-+      mtk_bmt_detach(mtd);
-       spinand_cleanup(spinand);
-       return 0;
 --- /dev/null
 +++ b/include/linux/mtd/mtk_bmt.h
 @@ -0,0 +1,18 @@
 +#endif
 +
 +#endif
+--- a/drivers/mtd/mtk-snand/mtk-snand-mtd.c
++++ b/drivers/mtd/mtk-snand/mtk-snand-mtd.c
+@@ -16,6 +16,7 @@
+ #include <linux/dma-mapping.h>
+ #include <linux/wait.h>
+ #include <linux/mtd/mtd.h>
++#include <linux/mtd/mtk_bmt.h>
+ #include <linux/mtd/partitions.h>
+ #include <linux/of_platform.h>
+@@ -608,6 +609,8 @@ static int mtk_snand_probe(struct platfo
+       mtd->_block_isbad = mtk_snand_mtd_block_isbad;
+       mtd->_block_markbad = mtk_snand_mtd_block_markbad;
++      mtk_bmt_attach(mtd);
++
+       ret = mtd_device_register(mtd, NULL, 0);
+       if (ret) {
+               dev_err(msm->pdev.dev, "failed to register mtd partition\n");
+@@ -619,6 +622,7 @@ static int mtk_snand_probe(struct platfo
+       return 0;
+ errout4:
++      mtk_bmt_detach(mtd);
+       devm_kfree(msm->pdev.dev, msm->page_cache);
+ errout3:
+@@ -646,6 +650,8 @@ static int mtk_snand_remove(struct platf
+       if (ret)
+               return ret;
++      mtk_bmt_detach(mtd);
++
+       mtk_snand_cleanup(msm->snf);
+       if (msm->irq >= 0)