diff options
Diffstat (limited to 'target/linux/ramips/patches-5.10/108-PCI-mt7621-Delay-phy-ports-initialization.patch')
-rw-r--r-- | target/linux/ramips/patches-5.10/108-PCI-mt7621-Delay-phy-ports-initialization.patch | 52 |
1 files changed, 0 insertions, 52 deletions
diff --git a/target/linux/ramips/patches-5.10/108-PCI-mt7621-Delay-phy-ports-initialization.patch b/target/linux/ramips/patches-5.10/108-PCI-mt7621-Delay-phy-ports-initialization.patch deleted file mode 100644 index ef03b00444..0000000000 --- a/target/linux/ramips/patches-5.10/108-PCI-mt7621-Delay-phy-ports-initialization.patch +++ /dev/null @@ -1,52 +0,0 @@ -From 0cb2a8f3456ff1cc51d571e287a48e8fddc98ec2 Mon Sep 17 00:00:00 2001 -From: Sergio Paracuellos <sergio.paracuellos@gmail.com> -Date: Sat, 31 Dec 2022 08:40:41 +0100 -Subject: PCI: mt7621: Delay phy ports initialization - -Some devices like ZBT WE1326 and ZBT WF3526-P and some Netgear models need -to delay phy port initialization after calling the mt7621_pcie_init_port() -driver function to get into reliable boots for both warm and hard resets. - -The delay required to detect the ports seems to be in the range [75-100] -milliseconds. - -If the ports are not detected the controller is not functional. - -There is no datasheet or something similar to really understand why this -extra delay is needed only for these devices and it is not for most of -the boards that are built on mt7621 SoC. - -This issue has been reported by openWRT community and the complete -discussion is in [0]. The 100 milliseconds delay has been tested in all -devices to validate it. - -Add the extra 100 milliseconds delay to fix the issue. - -[0]: https://github.com/openwrt/openwrt/pull/11220 - -Link: https://lore.kernel.org/r/20221231074041.264738-1-sergio.paracuellos@gmail.com -Fixes: 2bdd5238e756 ("PCI: mt7621: Add MediaTek MT7621 PCIe host controller driver") -Signed-off-by: Sergio Paracuellos <sergio.paracuellos@gmail.com> -Signed-off-by: Lorenzo Pieralisi <lpieralisi@kernel.org> ---- - drivers/staging/mt7621-pci/pci-mt7621.c | 2 ++ - 1 file changed, 2 insertions(+) - ---- a/drivers/staging/mt7621-pci/pci-mt7621.c -+++ b/drivers/staging/mt7621-pci/pci-mt7621.c -@@ -86,6 +86,7 @@ - #define MEMORY_BASE 0x0 - #define PERST_MODE_MASK GENMASK(11, 10) - #define PERST_MODE_GPIO BIT(10) -+#define INIT_PORTS_DELAY_MS 100 - #define PERST_DELAY_MS 100 - - /** -@@ -521,6 +522,7 @@ static void mt7621_pcie_init_ports(struc - } - } - -+ msleep(INIT_PORTS_DELAY_MS); - mt7621_pcie_reset_ep_deassert(pcie); - - tmp = NULL; |