Messages in this thread |  | | From | Dhaval Rajeshbhai Shah <> | Subject | RE: [PATCH] soc: xilinx: xlnx_vcu: Use bitwise & rather than logical && on clkoutdiv | Date | Tue, 16 Jan 2018 14:22:34 +0000 |
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Hi,
> -----Original Message----- > From: Gustavo A. R. Silva [mailto:garsilva@embeddedor.com] > Sent: Monday, January 15, 2018 11:15 AM > To: Michal Simek <michal.simek@xilinx.com>; Dhaval Rajeshbhai Shah > <DSHAH@xilinx.com> > Cc: linux-arm-kernel@lists.infradead.org; linux-kernel@vger.kernel.org; > Gustavo A. R. Silva <garsilva@embeddedor.com> > Subject: [PATCH] soc: xilinx: xlnx_vcu: Use bitwise & rather than logical && on > clkoutdiv > > Currently clkoutdiv is being operated on by a logical && operator rather than a > bitwise & operator. This looks incorrect as these should be bit flag operations. > > Addresses-Coverity-ID: 1463959 ("Logical vs. bitwise operator") > Fixes: cee8113a295a ("soc: xilinx: xlnx_vcu: Add Xilinx ZYNQMP VCU logicoreIP > init driver") > Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com> > --- > drivers/soc/xilinx/xlnx_vcu.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/soc/xilinx/xlnx_vcu.c b/drivers/soc/xilinx/xlnx_vcu.c index > c1d6f1b..a840c02 100644 > --- a/drivers/soc/xilinx/xlnx_vcu.c > +++ b/drivers/soc/xilinx/xlnx_vcu.c > @@ -334,7 +334,7 @@ static int xvcu_set_vcu_pll_info(struct xvcu_device > *xvcu) > */ > vcu_pll_ctrl = xvcu_read(xvcu->vcu_slcr_ba, VCU_PLL_CTRL); > clkoutdiv = vcu_pll_ctrl >> VCU_PLL_CTRL_CLKOUTDIV_SHIFT; > - clkoutdiv = clkoutdiv && VCU_PLL_CTRL_CLKOUTDIV_MASK; > + clkoutdiv = clkoutdiv & VCU_PLL_CTRL_CLKOUTDIV_MASK; > if (clkoutdiv != 1) { > dev_err(xvcu->dev, "clkoutdiv value is invalid\n"); > return -EINVAL; > -- > 2.7.4
Acked-by: Dhaval Shah <dshah@xilinx.com>
Thanks & Regards, Dhaval
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