layerscape: drop linux 4.4 support

[openwrt/openwrt.git] / target / linux / layerscape / patches-4.4 / 1096-mtd-spi-nor-add-read-loop.patch

diff --git a/target/linux/layerscape/patches-4.4/1096-mtd-spi-nor-add-read-loop.patch b/target/linux/layerscape/patches-4.4/1096-mtd-spi-nor-add-read-loop.patch
deleted file mode 100644 (file)
index 59d9f3e..0000000
--- a/target/linux/layerscape/patches-4.4/1096-mtd-spi-nor-add-read-loop.patch
+++ /dev/null
@@ -1,46 +0,0 @@
-From b5929f91416d64afacf46c649f38cc8f0eea50d2 Mon Sep 17 00:00:00 2001
-From: Michal Suchanek <hramrach@gmail.com>
-Date: Wed, 2 Dec 2015 10:38:20 +0000
-Subject: [PATCH 096/113] mtd: spi-nor: add read loop
-
-mtdblock and ubi do not handle the situation when read returns less data
-than requested. Loop in spi-nor until buffer is filled or an error is
-returned.
-
-Signed-off-by: Michal Suchanek <hramrach@gmail.com>
-Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@freescale.com>
----
- drivers/mtd/spi-nor/spi-nor.c |   20 ++++++++++++++------
- 1 file changed, 14 insertions(+), 6 deletions(-)
-
---- a/drivers/mtd/spi-nor/spi-nor.c
-+++ b/drivers/mtd/spi-nor/spi-nor.c
-@@ -921,14 +921,22 @@ static int spi_nor_read(struct mtd_info
-       if (ret)
-               return ret;
- 
--      ret = nor->read(nor, from, len, buf);
-+      while (len) {
-+              ret = nor->read(nor, from, len, buf);
-+              if (ret <= 0)
-+                      goto read_err;
- 
--      spi_nor_unlock_and_unprep(nor, SPI_NOR_OPS_READ);
--      if (ret < 0)
--              return ret;
-+              WARN_ON(ret > len);
-+              *retlen += ret;
-+              buf += ret;
-+              from += ret;
-+              len -= ret;
-+      }
-+      ret = 0;
- 
--      *retlen += ret;
--      return 0;
-+read_err:
-+      spi_nor_unlock_and_unprep(nor, SPI_NOR_OPS_READ);
-+      return ret;
- }
- 
- static int sst_write(struct mtd_info *mtd, loff_t to, size_t len,