diff options
Diffstat (limited to 'target/linux/bcm47xx/patches-5.15/170-bgmac-fix-initial-chip-reset-to-support-BCM5358.patch')
-rw-r--r-- | target/linux/bcm47xx/patches-5.15/170-bgmac-fix-initial-chip-reset-to-support-BCM5358.patch | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/target/linux/bcm47xx/patches-5.15/170-bgmac-fix-initial-chip-reset-to-support-BCM5358.patch b/target/linux/bcm47xx/patches-5.15/170-bgmac-fix-initial-chip-reset-to-support-BCM5358.patch deleted file mode 100644 index f5f998e0f5..0000000000 --- a/target/linux/bcm47xx/patches-5.15/170-bgmac-fix-initial-chip-reset-to-support-BCM5358.patch +++ /dev/null @@ -1,76 +0,0 @@ -From 327dabbd0111910a7d174b0b812d608d6b67bead Mon Sep 17 00:00:00 2001 -From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <rafal@milecki.pl> -Date: Mon, 8 Aug 2022 23:05:25 +0200 -Subject: [PATCH] bgmac: fix *initial* chip reset to support BCM5358 -MIME-Version: 1.0 -Content-Type: text/plain; charset=UTF-8 -Content-Transfer-Encoding: 8bit - -While bringing hardware up we should perform a full reset including the -switch bit (BGMAC_BCMA_IOCTL_SW_RESET aka SICF_SWRST). It's what -specification says and what reference driver does. - -This seems to be critical for the BCM5358. Without this hardware doesn't -get initialized properly and doesn't seem to transmit or receive any -packets. - -Originally bgmac was calling bgmac_chip_reset() before setting -"has_robosw" property which resulted in expected behaviour. That has -changed as a side effect of adding platform device support which -regressed BCM5358 support. - -Fixes: f6a95a24957a ("net: ethernet: bgmac: Add platform device support") -Cc: Jon Mason <jdmason@kudzu.us> -Signed-off-by: Rafał Miłecki <rafal@milecki.pl> ---- - drivers/net/ethernet/broadcom/bgmac.c | 8 ++++++-- - drivers/net/ethernet/broadcom/bgmac.h | 2 ++ - 2 files changed, 8 insertions(+), 2 deletions(-) - ---- a/drivers/net/ethernet/broadcom/bgmac.c -+++ b/drivers/net/ethernet/broadcom/bgmac.c -@@ -891,13 +891,13 @@ static void bgmac_chip_reset_idm_config( - - if (iost & BGMAC_BCMA_IOST_ATTACHED) { - flags = BGMAC_BCMA_IOCTL_SW_CLKEN; -- if (!bgmac->has_robosw) -+ if (bgmac->in_init || !bgmac->has_robosw) - flags |= BGMAC_BCMA_IOCTL_SW_RESET; - } - bgmac_clk_enable(bgmac, flags); - } - -- if (iost & BGMAC_BCMA_IOST_ATTACHED && !bgmac->has_robosw) -+ if (iost & BGMAC_BCMA_IOST_ATTACHED && (bgmac->in_init || !bgmac->has_robosw)) - bgmac_idm_write(bgmac, BCMA_IOCTL, - bgmac_idm_read(bgmac, BCMA_IOCTL) & - ~BGMAC_BCMA_IOCTL_SW_RESET); -@@ -1502,6 +1502,8 @@ int bgmac_enet_probe(struct bgmac *bgmac - struct net_device *net_dev = bgmac->net_dev; - int err; - -+ bgmac->in_init = true; -+ - bgmac_chip_intrs_off(bgmac); - - net_dev->irq = bgmac->irq; -@@ -1562,6 +1564,8 @@ int bgmac_enet_probe(struct bgmac *bgmac - bgmac->b53_device = &bgmac_b53_dev; - } - -+ bgmac->in_init = false; -+ - err = register_netdev(bgmac->net_dev); - if (err) { - dev_err(bgmac->dev, "Cannot register net device\n"); ---- a/drivers/net/ethernet/broadcom/bgmac.h -+++ b/drivers/net/ethernet/broadcom/bgmac.h -@@ -475,6 +475,8 @@ struct bgmac { - int irq; - u32 int_mask; - -+ bool in_init; -+ - /* Current MAC state */ - int mac_speed; - int mac_duplex; |