Messages in this thread |  | | Subject | Re: [PATCH] soc: xilinx: xlnx_vcu: Use bitwise & rather than logical && on clkoutdiv | From | Michal Simek <> | Date | Tue, 16 Jan 2018 15:50:04 +0100 |
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On 16.1.2018 15:22, Dhaval Rajeshbhai Shah wrote: > 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>
Applied.
Thanks, Michal
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