When chip reset is done before the chip is checked if supported there will be crash. Previous behaviour caused bootloops on Archer C7 v1 units, this patch allows clean device boot without excluding ath10k driver.
Signed-off-by: Tomislav Požega <[email protected]> --- ...0-ath10k-reset-chip-after-supported-check.patch | 39 ++++++++++++++++++++ 1 files changed, 39 insertions(+), 0 deletions(-) create mode 100644 package/kernel/mac80211/patches/ath/980-ath10k-reset-chip-after-supported-check.patch diff --git a/package/kernel/mac80211/patches/ath/980-ath10k-reset-chip-after-supported-check.patch b/package/kernel/mac80211/patches/ath/980-ath10k-reset-chip-after-supported-check.patch new file mode 100644 index 0000000..81ca5e1 --- /dev/null +++ b/package/kernel/mac80211/patches/ath/980-ath10k-reset-chip-after-supported-check.patch @@ -0,0 +1,39 @@ +From: Tomislav Požega <[email protected]> +Date: Fri, 22 Mar 2019 19:06:25 +0100 +Subject: [PATCH] ath10k: reset chip after supported check + +When chip reset is done before the chip is checked if supported +there will be crash. Previous behaviour caused bootloops on +Archer C7 v1 units, this patch allows clean device boot without +excluding ath10k driver. + +Signed-off-by: Tomislav Požega <[email protected]> + +--- a/drivers/net/wireless/ath/ath10k/pci.c ++++ b/drivers/net/wireless/ath/ath10k/pci.c +@@ -3612,12 +3612,6 @@ static int ath10k_pci_probe(struct pci_d + goto err_deinit_irq; + } + +- ret = ath10k_pci_chip_reset(ar); +- if (ret) { +- ath10k_err(ar, "failed to reset chip: %d\n", ret); +- goto err_free_irq; +- } +- + chip_id = ath10k_pci_soc_read32(ar, SOC_CHIP_ID_ADDRESS); + if (chip_id == 0xffffffff) { + ath10k_err(ar, "failed to get chip id\n"); +@@ -3630,6 +3624,12 @@ static int ath10k_pci_probe(struct pci_d + goto err_free_irq; + } + ++ ret = ath10k_pci_chip_reset(ar); ++ if (ret) { ++ ath10k_err(ar, "failed to reset chip: %d\n", ret); ++ goto err_free_irq; ++ } ++ + ret = ath10k_core_register(ar, chip_id); + if (ret) { + ath10k_err(ar, "failed to register driver core: %d\n", ret); -- 1.7.0.4 _______________________________________________ openwrt-devel mailing list [email protected] https://lists.openwrt.org/mailman/listinfo/openwrt-devel
