diff options
Diffstat (limited to 'package/kernel/mac80211/patches/brcm/329-v5.0-0006-brcmfmac-update-43012-F2-watermark-setting-to-fix-DM.patch')
-rw-r--r-- | package/kernel/mac80211/patches/brcm/329-v5.0-0006-brcmfmac-update-43012-F2-watermark-setting-to-fix-DM.patch | 49 |
1 files changed, 0 insertions, 49 deletions
diff --git a/package/kernel/mac80211/patches/brcm/329-v5.0-0006-brcmfmac-update-43012-F2-watermark-setting-to-fix-DM.patch b/package/kernel/mac80211/patches/brcm/329-v5.0-0006-brcmfmac-update-43012-F2-watermark-setting-to-fix-DM.patch deleted file mode 100644 index 3b44952af4..0000000000 --- a/package/kernel/mac80211/patches/brcm/329-v5.0-0006-brcmfmac-update-43012-F2-watermark-setting-to-fix-DM.patch +++ /dev/null @@ -1,49 +0,0 @@ -From f95a8d9c6aca196f1ace5b2e53a3dd3bc491b1b3 Mon Sep 17 00:00:00 2001 -From: Naveen Gupta <naveen.gupta@cypress.com> -Date: Wed, 21 Nov 2018 07:53:49 +0000 -Subject: [PATCH] brcmfmac: update 43012 F2 watermark setting to fix DMA Error - during UDP RX Traffic - -The number of words that the read FIFO has to contain except -the end of frame before sends data back to the host. -Max watermark = (512B - 2* (BurstLength))/4 = -(512 - 128)/4 = 384/4 = 0x60 -so if burst length (i.e. BurstLength = 64) is increased, -watermark has to be reduced. This is the optimal setting for this chip. - -Reviewed-by: Arend van Spriel <arend.vanspriel@broadcom.com> -Signed-off-by: Naveen Gupta <naveen.gupta@cypress.com> -Signed-off-by: Chi-Hsien Lin <chi-hsien.lin@cypress.com> -Signed-off-by: Kalle Valo <kvalo@codeaurora.org> ---- - .../net/wireless/broadcom/brcm80211/brcmfmac/sdio.c | 12 ++++++++++++ - 1 file changed, 12 insertions(+) - ---- a/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c -+++ b/drivers/net/wireless/broadcom/brcm80211/brcmfmac/sdio.c -@@ -52,6 +52,7 @@ - /* watermark expressed in number of words */ - #define DEFAULT_F2_WATERMARK 0x8 - #define CY_4373_F2_WATERMARK 0x40 -+#define CY_43012_F2_WATERMARK 0x60 - - #ifdef DEBUG - -@@ -4173,6 +4174,17 @@ static void brcmf_sdio_firmware_callback - CY_4373_F2_WATERMARK | - SBSDIO_MESBUSYCTRL_ENAB, &err); - break; -+ case SDIO_DEVICE_ID_CYPRESS_43012: -+ brcmf_dbg(INFO, "set F2 watermark to 0x%x*4 bytes\n", -+ CY_43012_F2_WATERMARK); -+ brcmf_sdiod_writeb(sdiod, SBSDIO_WATERMARK, -+ CY_43012_F2_WATERMARK, &err); -+ devctl = brcmf_sdiod_readb(sdiod, SBSDIO_DEVICE_CTL, -+ &err); -+ devctl |= SBSDIO_DEVCTL_F2WM_ENAB; -+ brcmf_sdiod_writeb(sdiod, SBSDIO_DEVICE_CTL, devctl, -+ &err); -+ break; - default: - brcmf_sdiod_writeb(sdiod, SBSDIO_WATERMARK, - DEFAULT_F2_WATERMARK, &err); |