brcm47xx: remove kernel 3.10
[openwrt/openwrt.git] / target / linux / brcm47xx / patches-3.10 / 051-mtd_bcm47xxsflash_implement_polling_chip_status.patch
diff --git a/target/linux/brcm47xx/patches-3.10/051-mtd_bcm47xxsflash_implement_polling_chip_status.patch b/target/linux/brcm47xx/patches-3.10/051-mtd_bcm47xxsflash_implement_polling_chip_status.patch
deleted file mode 100644 (file)
index 3b45234..0000000
+++ /dev/null
@@ -1,87 +0,0 @@
-commit 7026e9844112fa33e5ffcd562daf0c919b16a9d1
-Author: Rafał Miłecki <zajec5@gmail.com>
-Date:   Sun Mar 24 21:51:31 2013 +0100
-
-    mtd: bcm47xxsflash: implement polling chip status
-    
-    Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
-    Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
-
---- a/drivers/mtd/devices/bcm47xxsflash.c
-+++ b/drivers/mtd/devices/bcm47xxsflash.c
-@@ -1,6 +1,7 @@
- #include <linux/kernel.h>
- #include <linux/module.h>
- #include <linux/slab.h>
-+#include <linux/delay.h>
- #include <linux/mtd/mtd.h>
- #include <linux/platform_device.h>
- #include <linux/bcma/bcma.h>
-@@ -12,6 +13,57 @@ MODULE_DESCRIPTION("Serial flash driver
- static const char * const probes[] = { "bcm47xxpart", NULL };
-+/**************************************************
-+ * Various helpers
-+ **************************************************/
-+
-+static void bcm47xxsflash_cmd(struct bcm47xxsflash *b47s, u32 opcode)
-+{
-+      int i;
-+
-+      b47s->cc_write(b47s, BCMA_CC_FLASHCTL, BCMA_CC_FLASHCTL_START | opcode);
-+      for (i = 0; i < 1000; i++) {
-+              if (!(b47s->cc_read(b47s, BCMA_CC_FLASHCTL) &
-+                    BCMA_CC_FLASHCTL_BUSY))
-+                      return;
-+              cpu_relax();
-+      }
-+      pr_err("Control command failed (timeout)!\n");
-+}
-+
-+static int bcm47xxsflash_poll(struct bcm47xxsflash *b47s, int timeout)
-+{
-+      unsigned long deadline = jiffies + timeout;
-+
-+      do {
-+              switch (b47s->type) {
-+              case BCM47XXSFLASH_TYPE_ST:
-+                      bcm47xxsflash_cmd(b47s, OPCODE_ST_RDSR);
-+                      if (!(b47s->cc_read(b47s, BCMA_CC_FLASHDATA) &
-+                            SR_ST_WIP))
-+                              return 0;
-+                      break;
-+              case BCM47XXSFLASH_TYPE_ATMEL:
-+                      bcm47xxsflash_cmd(b47s, OPCODE_AT_STATUS);
-+                      if (b47s->cc_read(b47s, BCMA_CC_FLASHDATA) &
-+                          SR_AT_READY)
-+                              return 0;
-+                      break;
-+              }
-+
-+              cpu_relax();
-+              udelay(1);
-+      } while (!time_after_eq(jiffies, deadline));
-+
-+      pr_err("Timeout waiting for flash to be ready!\n");
-+
-+      return -EBUSY;
-+}
-+
-+/**************************************************
-+ * MTD ops
-+ **************************************************/
-+
- static int bcm47xxsflash_read(struct mtd_info *mtd, loff_t from, size_t len,
-                             size_t *retlen, u_char *buf)
- {
-@@ -97,6 +149,9 @@ static int bcm47xxsflash_bcma_probe(stru
-               goto err_dev_reg;
-       }
-+      if (bcm47xxsflash_poll(b47s, HZ / 10))
-+              pr_warn("Serial flash busy\n");
-+
-       return 0;
- err_dev_reg: