From 1909a42ad4ad297c4cee989c9e9dd5f99e37af4b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Sun, 21 Jun 2015 12:07:33 +0000 Subject: mac80211: backport some brcmfmac patches MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit There are two important patches in this patchset: updating read pointer quicker & rework of .get_station(). There are few more upstream patches that are p2p-related and weren't backported in this commit. Signed-off-by: Rafał Miłecki SVN-Revision: 46084 --- ...move-watchdog-reset-from-brcmf_pcie_busco.patch | 53 ++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 package/kernel/mac80211/patches/387-brcmfmac-remove-watchdog-reset-from-brcmf_pcie_busco.patch (limited to 'package/kernel/mac80211/patches/387-brcmfmac-remove-watchdog-reset-from-brcmf_pcie_busco.patch') diff --git a/package/kernel/mac80211/patches/387-brcmfmac-remove-watchdog-reset-from-brcmf_pcie_busco.patch b/package/kernel/mac80211/patches/387-brcmfmac-remove-watchdog-reset-from-brcmf_pcie_busco.patch new file mode 100644 index 0000000000..c38b2cd150 --- /dev/null +++ b/package/kernel/mac80211/patches/387-brcmfmac-remove-watchdog-reset-from-brcmf_pcie_busco.patch @@ -0,0 +1,53 @@ +From: Arend van Spriel +Date: Mon, 8 Jun 2015 14:38:34 +0200 +Subject: [PATCH] brcmfmac: remove watchdog reset from + brcmf_pcie_buscoreprep() + +The watchdog reset as done in brcmf_pcie_buscoreprep() is not +sufficient. It needs to modify PCIe core registers as well +which is properly done by brcmf_pcie_reset_device() after the +chip recognition is done. So the faulty watchdog reset can be +removed as it was causing driver reload to fail and hang the +system requiring a power-cycle. Instead the call to to the +brcmf_pcie_reset_device() function is done twice in the unload. + +Reviewed-by: Hante Meuleman +Reviewed-by: Daniel (Deognyoun) Kim +Reviewed-by: Franky (Zhenhui) Lin +Reviewed-by: Pieter-Paul Giesberts +Signed-off-by: Arend van Spriel +Signed-off-by: Kalle Valo +--- + +--- a/drivers/net/wireless/brcm80211/brcmfmac/pcie.c ++++ b/drivers/net/wireless/brcm80211/brcmfmac/pcie.c +@@ -1629,20 +1629,7 @@ static void brcmf_pcie_buscore_write32(v + + static int brcmf_pcie_buscoreprep(void *ctx) + { +- struct brcmf_pciedev_info *devinfo = (struct brcmf_pciedev_info *)ctx; +- int err; +- +- err = brcmf_pcie_get_resource(devinfo); +- if (err == 0) { +- /* Set CC watchdog to reset all the cores on the chip to bring +- * back dongle to a sane state. +- */ +- brcmf_pcie_buscore_write32(ctx, CORE_CC_REG(SI_ENUM_BASE, +- watchdog), 4); +- msleep(100); +- } +- +- return err; ++ return brcmf_pcie_get_resource(ctx); + } + + +@@ -1824,6 +1811,7 @@ brcmf_pcie_remove(struct pci_dev *pdev) + brcmf_pcie_intr_disable(devinfo); + + brcmf_detach(&pdev->dev); ++ brcmf_pcie_reset_device(devinfo); + + kfree(bus->bus_priv.pcie); + kfree(bus->msgbuf->flowrings); -- cgit v1.2.3