Messages in this thread Patch in this message | | | From | Lothar Waßmann <> | Subject | [PATCHv2 1/2] remove redundant struct clk NULL checks | Date | Tue, 12 Jan 2016 16:17:55 +0100 |
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NULL is a valid argument to clk_enable()/clk_disable(). Remove redundant checks before calling those functions.
Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de> --- drivers/net/ethernet/freescale/fec_main.c | 23 +++++++++-------------- 1 file changed, 9 insertions(+), 14 deletions(-)
diff --git a/drivers/net/ethernet/freescale/fec_main.c b/drivers/net/ethernet/freescale/fec_main.c index 502da6f..592a7a4 100644 --- a/drivers/net/ethernet/freescale/fec_main.c +++ b/drivers/net/ethernet/freescale/fec_main.c @@ -1874,35 +1874,30 @@ static int fec_enet_clk_enable(struct net_device *ndev, bool enable) } mutex_unlock(&fep->ptp_clk_mutex); } - if (fep->clk_ref) { - ret = clk_prepare_enable(fep->clk_ref); - if (ret) - goto failed_clk_ref; - } + + ret = clk_prepare_enable(fep->clk_ref); + if (ret) + goto failed_clk_ref; } else { clk_disable_unprepare(fep->clk_ahb); - if (fep->clk_enet_out) - clk_disable_unprepare(fep->clk_enet_out); + clk_disable_unprepare(fep->clk_enet_out); if (fep->clk_ptp) { mutex_lock(&fep->ptp_clk_mutex); clk_disable_unprepare(fep->clk_ptp); fep->ptp_clk_on = false; mutex_unlock(&fep->ptp_clk_mutex); } - if (fep->clk_ref) - clk_disable_unprepare(fep->clk_ref); + clk_disable_unprepare(fep->clk_ref); } return 0; failed_clk_ref: - if (fep->clk_ref) - clk_disable_unprepare(fep->clk_ref); + clk_disable_unprepare(fep->clk_ref); failed_clk_ptp: - if (fep->clk_enet_out) - clk_disable_unprepare(fep->clk_enet_out); + clk_disable_unprepare(fep->clk_enet_out); failed_clk_enet_out: - clk_disable_unprepare(fep->clk_ahb); + clk_disable_unprepare(fep->clk_ahb); return ret; } -- 2.1.4
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