From 091754a1652fad24664f1357ee7616e66953dd30 Mon Sep 17 00:00:00 2001 From: Sucheta Chakraborty Date: Thu, 19 Aug 2010 05:08:32 +0000 Subject: qlcnic: rom lock recovery Fw can get stuck while holding pci semaphore. Driver will not be able to perform fw initialization, without this lock. Release semaphore forcefully in that case. Signed-off-by: Sucheta Chakraborty Signed-off-by: Amit Kumar Salecha Signed-off-by: David S. Miller --- drivers/net/qlcnic/qlcnic_init.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) (limited to 'drivers/net/qlcnic/qlcnic_init.c') diff --git a/drivers/net/qlcnic/qlcnic_init.c b/drivers/net/qlcnic/qlcnic_init.c index e7a399f90326..a174521daa63 100644 --- a/drivers/net/qlcnic/qlcnic_init.c +++ b/drivers/net/qlcnic/qlcnic_init.c @@ -928,15 +928,25 @@ qlcnic_get_bios_version(struct qlcnic_adapter *adapter) return (bios_ver << 16) + ((bios_ver >> 8) & 0xff00) + (bios_ver >> 24); } +static void qlcnic_rom_lock_recovery(struct qlcnic_adapter *adapter) +{ + if (qlcnic_pcie_sem_lock(adapter, 2, QLCNIC_ROM_LOCK_ID)) + dev_info(&adapter->pdev->dev, "Resetting rom_lock\n"); + + qlcnic_pcie_sem_unlock(adapter, 2); +} + int qlcnic_need_fw_reset(struct qlcnic_adapter *adapter) { u32 val, version, major, minor, build; - if (adapter->need_fw_reset) + if (qlcnic_check_fw_status(adapter)) { + qlcnic_rom_lock_recovery(adapter); return 1; + } - if (qlcnic_check_fw_status(adapter)) + if (adapter->need_fw_reset) return 1; /* check if we have got newer or different file firmware */ -- cgit v1.2.3