diff options
Diffstat (limited to 'package/kernel/mac80211/patches/ath11k/0035-wifi-ath11k-Use-platform_get_irq-to-get-the-interrup.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/ath11k/0035-wifi-ath11k-Use-platform_get_irq-to-get-the-interrup.patch | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/ath11k/0035-wifi-ath11k-Use-platform_get_irq-to-get-the-interrup.patch b/package/kernel/mac80211/patches/ath11k/0035-wifi-ath11k-Use-platform_get_irq-to-get-the-interrup.patch new file mode 100644 index 0000000000..93a9da8fc2 --- /dev/null +++ b/package/kernel/mac80211/patches/ath11k/0035-wifi-ath11k-Use-platform_get_irq-to-get-the-interrup.patch @@ -0,0 +1,50 @@ +From f117276638b7600b981b3fe28550823cfbe1ef23 Mon Sep 17 00:00:00 2001 +From: Douglas Anderson <dianders@chromium.org> +Date: Wed, 1 Feb 2023 08:54:42 -0800 +Subject: [PATCH] wifi: ath11k: Use platform_get_irq() to get the interrupt + +As of commit a1a2b7125e10 ("of/platform: Drop static setup of IRQ +resource from DT core"), we need to use platform_get_irq() instead of +platform_get_resource() to get our IRQs because +platform_get_resource() simply won't get them anymore. + +This was already fixed in several other Atheros WiFi drivers, +apparently in response to Zeal Robot reports. An example of another +fix is commit 9503a1fc123d ("ath9k: Use platform_get_irq() to get the +interrupt"). ath11k seems to have been missed in this effort, though. + +Without this change, WiFi wasn't coming up on my Qualcomm sc7280-based +hardware. Specifically, "platform_get_resource(pdev, IORESOURCE_IRQ, +i)" was failing even for i=0. + +Tested-on: WCN6750 hw1.0 AHB WLAN.MSL.1.0.1-00887-QCAMSLSWPLZ-1 + +Fixes: a1a2b7125e10 ("of/platform: Drop static setup of IRQ resource from DT core") +Fixes: 00402f49d26f ("ath11k: Add support for WCN6750 device") +Signed-off-by: Douglas Anderson <dianders@chromium.org> +Tested-by: Jun Yu <junyuu@chromium.org> +Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> +Signed-off-by: Kalle Valo <quic_kvalo@quicinc.com> +Link: https://lore.kernel.org/r/20230201084131.v2.1.I69cf3d56c97098287fe3a70084ee515098390b70@changeid +--- + drivers/net/wireless/ath/ath11k/ahb.c | 8 ++++---- + 1 file changed, 4 insertions(+), 4 deletions(-) + +--- a/drivers/net/wireless/ath/ath11k/ahb.c ++++ b/drivers/net/wireless/ath/ath11k/ahb.c +@@ -874,11 +874,11 @@ static int ath11k_ahb_setup_msi_resource + ab->pci.msi.ep_base_data = int_prop + 32; + + for (i = 0; i < ab->pci.msi.config->total_vectors; i++) { +- res = platform_get_resource(pdev, IORESOURCE_IRQ, i); +- if (!res) +- return -ENODEV; ++ ret = platform_get_irq(pdev, i); ++ if (ret < 0) ++ return ret; + +- ab->pci.msi.irqs[i] = res->start; ++ ab->pci.msi.irqs[i] = ret; + } + + set_bit(ATH11K_FLAG_MULTI_MSI_VECTORS, &ab->dev_flags); |