diff options
Diffstat (limited to 'target/linux/brcm47xx/patches-4.0/030-01-MIPS-BCM47XX-Support-SPROM-prefixes-for-PCI-devices.patch')
| -rw-r--r-- | target/linux/brcm47xx/patches-4.0/030-01-MIPS-BCM47XX-Support-SPROM-prefixes-for-PCI-devices.patch | 68 |
1 files changed, 0 insertions, 68 deletions
diff --git a/target/linux/brcm47xx/patches-4.0/030-01-MIPS-BCM47XX-Support-SPROM-prefixes-for-PCI-devices.patch b/target/linux/brcm47xx/patches-4.0/030-01-MIPS-BCM47XX-Support-SPROM-prefixes-for-PCI-devices.patch deleted file mode 100644 index e78b159..0000000 --- a/target/linux/brcm47xx/patches-4.0/030-01-MIPS-BCM47XX-Support-SPROM-prefixes-for-PCI-devices.patch +++ /dev/null @@ -1,68 +0,0 @@ -From 9a6a2b96dfd8b01336f8519a5be7fb353cfa62fb Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com> -Date: Sat, 14 Mar 2015 17:55:54 +0100 -Subject: [PATCH] MIPS: BCM47XX: Support SPROM prefixes for PCI devices -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -Support parsing SPROMs with prefixes defined like devpath1=pci/1/1 - -Signed-off-by: Rafał Miłecki <zajec5@gmail.com> -Cc: linux-mips@linux-mips.org -Cc: Hauke Mehrtens <hauke@hauke-m.de> -Patchwork: https://patchwork.linux-mips.org/patch/9552/ -Signed-off-by: Ralf Baechle <ralf@linux-mips.org> ---- - arch/mips/bcm47xx/sprom.c | 33 +++++++++++++++++++++++++++++++++ - 1 file changed, 33 insertions(+) - ---- a/arch/mips/bcm47xx/sprom.c -+++ b/arch/mips/bcm47xx/sprom.c -@@ -836,6 +836,38 @@ static int bcm47xx_get_sprom_ssb(struct - #endif - - #if defined(CONFIG_BCM47XX_BCMA) -+/* -+ * Having many NVRAM entries for PCI devices led to repeating prefixes like -+ * pci/1/1/ all the time and wasting flash space. So at some point Broadcom -+ * decided to introduce prefixes like 0: 1: 2: etc. -+ * If we find e.g. devpath0=pci/2/1 or devpath0=pci/2/1/ we should use 0: -+ * instead of pci/2/1/. -+ */ -+static void bcm47xx_sprom_apply_prefix_alias(char *prefix, size_t prefix_size) -+{ -+ size_t prefix_len = strlen(prefix); -+ size_t short_len = prefix_len - 1; -+ char nvram_var[10]; -+ char buf[20]; -+ int i; -+ -+ /* Passed prefix has to end with a slash */ -+ if (prefix_len <= 0 || prefix[prefix_len - 1] != '/') -+ return; -+ -+ for (i = 0; i < 3; i++) { -+ if (snprintf(nvram_var, sizeof(nvram_var), "devpath%d", i) <= 0) -+ continue; -+ if (bcm47xx_nvram_getenv(nvram_var, buf, sizeof(buf)) < 0) -+ continue; -+ if (!strcmp(buf, prefix) || -+ (short_len && strlen(buf) == short_len && !strncmp(buf, prefix, short_len))) { -+ snprintf(prefix, prefix_size, "%d:", i); -+ return; -+ } -+ } -+} -+ - static int bcm47xx_get_sprom_bcma(struct bcma_bus *bus, struct ssb_sprom *out) - { - char prefix[10]; -@@ -847,6 +879,7 @@ static int bcm47xx_get_sprom_bcma(struct - snprintf(prefix, sizeof(prefix), "pci/%u/%u/", - bus->host_pci->bus->number + 1, - PCI_SLOT(bus->host_pci->devfn)); -+ bcm47xx_sprom_apply_prefix_alias(prefix, sizeof(prefix)); - bcm47xx_fill_sprom(out, prefix, false); - return 0; - case BCMA_HOSTTYPE_SOC: |