mvebu: remove linux 4.4 support

[openwrt/staging/lynxis/omap.git] / target / linux / mvebu / patches-4.4 / 022-mtd-pxa3xx_nand-Fix-initial-controller-configuration.patch

diff --git a/target/linux/mvebu/patches-4.4/022-mtd-pxa3xx_nand-Fix-initial-controller-configuration.patch b/target/linux/mvebu/patches-4.4/022-mtd-pxa3xx_nand-Fix-initial-controller-configuration.patch
deleted file mode 100644 (file)
index 7d07fb9..0000000
--- a/target/linux/mvebu/patches-4.4/022-mtd-pxa3xx_nand-Fix-initial-controller-configuration.patch
+++ /dev/null
@@ -1,104 +0,0 @@
-From: =?UTF-8?q?Ezequiel=20Garc=C3=ADa?= <ezequiel@vanguardiasur.com.ar>
-Date: Wed, 4 Nov 2015 13:13:42 -0300
-Subject: [PATCH] mtd: pxa3xx_nand: Fix initial controller configuration
-
-The Data Flash Control Register (NDCR) contains two types
-of parameters: those that are needed for device identification,
-and those that can only be set after device identification.
-
-Therefore, the driver can't set them all at once and instead
-needs to configure the first group before nand_scan_ident()
-and the second group later.
-
-Let's split pxa3xx_nand_config in two halves, and set the
-parameters that depend on the device geometry once this is known.
-
-Signed-off-by: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
-Signed-off-by: Brian Norris <computersforpeace@gmail.com>
----
-
---- a/drivers/mtd/nand/pxa3xx_nand.c
-+++ b/drivers/mtd/nand/pxa3xx_nand.c
-@@ -1420,34 +1420,43 @@ static int pxa3xx_nand_waitfunc(struct m
-       return NAND_STATUS_READY;
- }
- 
--static int pxa3xx_nand_config_flash(struct pxa3xx_nand_info *info)
-+static int pxa3xx_nand_config_ident(struct pxa3xx_nand_info *info)
- {
-       struct platform_device *pdev = info->pdev;
-       struct pxa3xx_nand_platform_data *pdata = dev_get_platdata(&pdev->dev);
--      struct pxa3xx_nand_host *host = info->host[info->cs];
--      struct mtd_info *mtd = host->mtd;
--      struct nand_chip *chip = mtd->priv;
- 
--      /* configure default flash values */
-+      /* Configure default flash values */
-+      info->chunk_size = PAGE_CHUNK_SIZE;
-       info->reg_ndcr = 0x0; /* enable all interrupts */
-       info->reg_ndcr |= (pdata->enable_arbiter) ? NDCR_ND_ARB_EN : 0;
-       info->reg_ndcr |= NDCR_RD_ID_CNT(READ_ID_BYTES);
--      info->reg_ndcr |= NDCR_SPARE_EN; /* enable spare by default */
-+      info->reg_ndcr |= NDCR_SPARE_EN;
-+
-+      return 0;
-+}
-+
-+static void pxa3xx_nand_config_tail(struct pxa3xx_nand_info *info)
-+{
-+      struct pxa3xx_nand_host *host = info->host[info->cs];
-+      struct mtd_info *mtd = host->mtd;
-+      struct nand_chip *chip = mtd->priv;
-+
-       info->reg_ndcr |= (host->col_addr_cycles == 2) ? NDCR_RA_START : 0;
-       info->reg_ndcr |= (chip->page_shift == 6) ? NDCR_PG_PER_BLK : 0;
-       info->reg_ndcr |= (mtd->writesize == 2048) ? NDCR_PAGE_SZ : 0;
--
--      return 0;
- }
- 
- static int pxa3xx_nand_detect_config(struct pxa3xx_nand_info *info)
- {
-+      struct platform_device *pdev = info->pdev;
-+      struct pxa3xx_nand_platform_data *pdata = dev_get_platdata(&pdev->dev);
-       uint32_t ndcr = nand_readl(info, NDCR);
- 
-       /* Set an initial chunk size */
-       info->chunk_size = ndcr & NDCR_PAGE_SZ ? 2048 : 512;
-       info->reg_ndcr = ndcr &
-               ~(NDCR_INT_MASK | NDCR_ND_ARB_EN | NFCV1_NDCR_ARB_CNTL);
-+      info->reg_ndcr |= (pdata->enable_arbiter) ? NDCR_ND_ARB_EN : 0;
-       info->ndtr0cs0 = nand_readl(info, NDTR0CS0);
-       info->ndtr1cs0 = nand_readl(info, NDTR1CS0);
-       return 0;
-@@ -1636,10 +1645,7 @@ static int pxa3xx_nand_scan(struct mtd_i
-       if (pdata->keep_config && !pxa3xx_nand_detect_config(info))
-               goto KEEP_CONFIG;
- 
--      /* Set a default chunk size */
--      info->chunk_size = PAGE_CHUNK_SIZE;
--
--      ret = pxa3xx_nand_config_flash(info);
-+      ret = pxa3xx_nand_config_ident(info);
-       if (ret)
-               return ret;
- 
-@@ -1652,7 +1658,6 @@ static int pxa3xx_nand_scan(struct mtd_i
-       }
- 
- KEEP_CONFIG:
--      info->reg_ndcr |= (pdata->enable_arbiter) ? NDCR_ND_ARB_EN : 0;
-       if (info->reg_ndcr & NDCR_DWIDTH_M)
-               chip->options |= NAND_BUSWIDTH_16;
- 
-@@ -1737,6 +1742,10 @@ KEEP_CONFIG:
-               host->row_addr_cycles = 3;
-       else
-               host->row_addr_cycles = 2;
-+
-+      if (!pdata->keep_config)
-+              pxa3xx_nand_config_tail(info);
-+
-       return nand_scan_tail(mtd);
- }
-