From: Colin Ian King Date: Tue, 27 Aug 2019 08:16:20 +0000 (+0100) Subject: bcma: fix incorrect update of BCMA_CORE_PCI_MDIO_DATA X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=420c20be08a4597404d272ae9793b642401146eb;p=linux.git bcma: fix incorrect update of BCMA_CORE_PCI_MDIO_DATA An earlier commit re-worked the setting of the bitmask and is now assigning v with some bit flags rather than bitwise or-ing them into v, consequently the earlier bit-settings of v are being lost. Fix this by replacing an assignment with the bitwise or instead. Addresses-Coverity: ("Unused value") Fixes: 2be25cac8402 ("bcma: add constants for PCI and use them") Signed-off-by: Colin Ian King Signed-off-by: Kalle Valo --- diff --git a/drivers/bcma/driver_pci.c b/drivers/bcma/driver_pci.c index f499a469e66d0..12b2cc9a3fbe8 100644 --- a/drivers/bcma/driver_pci.c +++ b/drivers/bcma/driver_pci.c @@ -78,7 +78,7 @@ static u16 bcma_pcie_mdio_read(struct bcma_drv_pci *pc, u16 device, u8 address) v |= (address << BCMA_CORE_PCI_MDIODATA_REGADDR_SHF_OLD); } - v = BCMA_CORE_PCI_MDIODATA_START; + v |= BCMA_CORE_PCI_MDIODATA_START; v |= BCMA_CORE_PCI_MDIODATA_READ; v |= BCMA_CORE_PCI_MDIODATA_TA; @@ -121,7 +121,7 @@ static void bcma_pcie_mdio_write(struct bcma_drv_pci *pc, u16 device, v |= (address << BCMA_CORE_PCI_MDIODATA_REGADDR_SHF_OLD); } - v = BCMA_CORE_PCI_MDIODATA_START; + v |= BCMA_CORE_PCI_MDIODATA_START; v |= BCMA_CORE_PCI_MDIODATA_WRITE; v |= BCMA_CORE_PCI_MDIODATA_TA; v |= data;