ramips: drop support for kernel 4.14
[openwrt/openwrt.git] / target / linux / ramips / patches-4.14 / 0038-Revert-mtd-nand-Remove-unused-chip-write_page-hook.patch
diff --git a/target/linux/ramips/patches-4.14/0038-Revert-mtd-nand-Remove-unused-chip-write_page-hook.patch b/target/linux/ramips/patches-4.14/0038-Revert-mtd-nand-Remove-unused-chip-write_page-hook.patch
deleted file mode 100644 (file)
index 8d20c45..0000000
+++ /dev/null
@@ -1,67 +0,0 @@
-From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl>
-Subject: [PATCH] Revert "mtd: nand: Remove unused chip->write_page() hook"
-MIME-Version: 1.0
-Content-Type: text/plain; charset=UTF-8
-Content-Transfer-Encoding: 8bit
-
-This reverts commit f107d7a43923a83d837b3ea3c7b7de58cd014bbd.
-
-OpenWrt's downstream driver mtk_nand2 still uses that callback.
-
-Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
----
-
---- a/drivers/mtd/nand/nand_base.c
-+++ b/drivers/mtd/nand/nand_base.c
-@@ -2577,7 +2577,7 @@ static int nand_write_page_syndrome(stru
- }
- /**
-- * nand_write_page - write one page
-+ * nand_write_page - [REPLACEABLE] write one page
-  * @mtd: MTD device structure
-  * @chip: NAND chip descriptor
-  * @offset: address offset within the page
-@@ -2761,9 +2761,9 @@ static int nand_do_write_ops(struct mtd_
-                       memset(chip->oob_poi, 0xff, mtd->oobsize);
-               }
--              ret = nand_write_page(mtd, chip, column, bytes, wbuf,
--                                    oob_required, page,
--                                    (ops->mode == MTD_OPS_RAW));
-+              ret = chip->write_page(mtd, chip, column, bytes, wbuf,
-+                                      oob_required, page,
-+                                      (ops->mode == MTD_OPS_RAW));
-               if (ret)
-                       break;
-@@ -4719,6 +4719,9 @@ int nand_scan_tail(struct mtd_info *mtd)
-               }
-       }
-+      if (!chip->write_page)
-+              chip->write_page = nand_write_page;
-+
-       /*
-        * Check ECC mode, default to software if 3byte/512byte hardware ECC is
-        * selected and we have 256 byte pagesize fallback to software ECC
---- a/include/linux/mtd/rawnand.h
-+++ b/include/linux/mtd/rawnand.h
-@@ -860,6 +860,7 @@ struct nand_manufacturer_ops {
-  *                    structure which is shared among multiple independent
-  *                    devices.
-  * @priv:             [OPTIONAL] pointer to private chip data
-+ * @write_page:               [REPLACEABLE] High-level page write function
-  * @manufacturer:     [INTERN] Contains manufacturer information
-  */
-@@ -883,6 +884,9 @@ struct nand_chip {
-       int(*waitfunc)(struct mtd_info *mtd, struct nand_chip *this);
-       int (*erase)(struct mtd_info *mtd, int page);
-       int (*scan_bbt)(struct mtd_info *mtd);
-+      int (*write_page)(struct mtd_info *mtd, struct nand_chip *chip,
-+                      uint32_t offset, int data_len, const uint8_t *buf,
-+                      int oob_required, int page, int raw);
-       int (*onfi_set_features)(struct mtd_info *mtd, struct nand_chip *chip,
-                       int feature_addr, uint8_t *subfeature_para);
-       int (*onfi_get_features)(struct mtd_info *mtd, struct nand_chip *chip,