diff options
Diffstat (limited to 'package/kernel/mac80211/patches/323-0001-brcmfmac-analyze-descriptors-of-current-component-on.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/323-0001-brcmfmac-analyze-descriptors-of-current-component-on.patch | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/package/kernel/mac80211/patches/323-0001-brcmfmac-analyze-descriptors-of-current-component-on.patch b/package/kernel/mac80211/patches/323-0001-brcmfmac-analyze-descriptors-of-current-component-on.patch deleted file mode 100644 index d7018dab3d..0000000000 --- a/package/kernel/mac80211/patches/323-0001-brcmfmac-analyze-descriptors-of-current-component-on.patch +++ /dev/null @@ -1,51 +0,0 @@ -From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com> -Date: Tue, 26 Jan 2016 17:57:01 +0100 -Subject: [PATCH] brcmfmac: analyze descriptors of current component only -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -So far we were looking for address descriptors without a check for -crossing current component border. In case of dealing with unsupported -descriptor or descriptor missing at all the code would incorrectly get -data from another component. - -Consider this binary-described component from BCM4366 EROM: -4bf83b01 TAG==CI CID==0x83b -20080201 TAG==CI PORTS==0+1 WRAPPERS==0+1 -18400035 TAG==ADDR SZ_SZD TYPE_SLAVE -00050000 -18107085 TAG==ADDR SZ_4K TYPE_SWRAP - -Driver was assigning invalid base address to this core: -brcmfmac: [6 ] core 0x83b:32 base 0x18109000 wrap 0x18107000 -which came from totally different component defined in EROM: -43b36701 TAG==CI CID==0x367 -00000201 TAG==CI PORTS==0+1 WRAPPERS==0+0 -18109005 TAG==ADDR SZ_4K TYPE_SLAVE - -This change will also allow us to support components without wrapper -address in the future. - -Signed-off-by: Rafał Miłecki <zajec5@gmail.com> -Signed-off-by: Kalle Valo <kvalo@codeaurora.org> ---- - ---- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c -+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/chip.c -@@ -803,7 +803,14 @@ static int brcmf_chip_dmp_get_regaddr(st - *eromaddr -= 4; - return -EFAULT; - } -- } while (desc != DMP_DESC_ADDRESS); -+ } while (desc != DMP_DESC_ADDRESS && -+ desc != DMP_DESC_COMPONENT); -+ -+ /* stop if we crossed current component border */ -+ if (desc == DMP_DESC_COMPONENT) { -+ *eromaddr -= 4; -+ return 0; -+ } - - /* skip upper 32-bit address descriptor */ - if (val & DMP_DESC_ADDRSIZE_GT32) |