diff options
Diffstat (limited to 'package/kernel/mac80211/patches/368-brcmfmac-allow-device-tree-node-without-interrupts-p.patch')
| -rw-r--r-- | package/kernel/mac80211/patches/368-brcmfmac-allow-device-tree-node-without-interrupts-p.patch | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/package/kernel/mac80211/patches/368-brcmfmac-allow-device-tree-node-without-interrupts-p.patch b/package/kernel/mac80211/patches/368-brcmfmac-allow-device-tree-node-without-interrupts-p.patch new file mode 100644 index 0000000000..b16782d593 --- /dev/null +++ b/package/kernel/mac80211/patches/368-brcmfmac-allow-device-tree-node-without-interrupts-p.patch @@ -0,0 +1,45 @@ +From: Arend van Spriel <arend@broadcom.com> +Date: Wed, 20 May 2015 14:09:47 +0200 +Subject: [PATCH] brcmfmac: allow device tree node without 'interrupts' + property + +As described in the device tree bindings for 'brcm,bcm4329-fmac' +nodes, the interrupts property is optional. So adding a check +for the presence of this property before attempting to parse +and map the interrupt. If not present or parsing fails return +and fallback to in-band sdio interrupt. + +Reviewed-by: Hante Meuleman <meuleman@broadcom.com> +Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> +Signed-off-by: Arend van Spriel <arend@broadcom.com> +Signed-off-by: Kalle Valo <kvalo@codeaurora.org> +--- + +--- a/drivers/net/wireless/brcm80211/brcmfmac/of.c ++++ b/drivers/net/wireless/brcm80211/brcmfmac/of.c +@@ -39,10 +39,16 @@ void brcmf_of_probe(struct brcmf_sdio_de + if (!sdiodev->pdata) + return; + ++ if (of_property_read_u32(np, "brcm,drive-strength", &val) == 0) ++ sdiodev->pdata->drive_strength = val; ++ ++ /* make sure there are interrupts defined in the node */ ++ if (!of_find_property(np, "interrupts", NULL)) ++ return; ++ + irq = irq_of_parse_and_map(np, 0); + if (!irq) { + brcmf_err("interrupt could not be mapped\n"); +- devm_kfree(dev, sdiodev->pdata); + return; + } + irqf = irqd_get_trigger_type(irq_get_irq_data(irq)); +@@ -50,7 +56,4 @@ void brcmf_of_probe(struct brcmf_sdio_de + sdiodev->pdata->oob_irq_supported = true; + sdiodev->pdata->oob_irq_nr = irq; + sdiodev->pdata->oob_irq_flags = irqf; +- +- if (of_property_read_u32(np, "brcm,drive-strength", &val) == 0) +- sdiodev->pdata->drive_strength = val; + } |