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arm: Xilinx ZynqMP SoC fixes for v4.16

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- Fix Kconfig dependency
 - Fix vcu clkoutdiv calculation
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Merge tag 'zynqmp-soc-fixes-for-4.16' of https://github.com/Xilinx/linux-xlnx into next/drivers

Pull "arm: Xilinx ZynqMP SoC fixes for v4.16" from Michal Simek:

- Fix Kconfig dependency
- Fix vcu clkoutdiv calculation

* tag 'zynqmp-soc-fixes-for-4.16' of https://github.com/Xilinx/linux-xlnx:
  soc: xilinx: Fix Kconfig alignment
  soc: xilinx: xlnx_vcu: Use bitwise & rather than logical && on clkoutdiv
  soc: xilinx: xlnx_vcu: Depends on HAS_IOMEM for xlnx_vcu
This commit is contained in:
Arnd Bergmann 2018-01-26 17:33:36 +01:00
commit 9db16401d2
2 changed files with 12 additions and 11 deletions
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21
drivers/soc/xilinx/Kconfig
View File

@ -2,18 +2,19 @@
menu "Xilinx SoC drivers"
config XILINX_VCU
tristate "Xilinx VCU logicoreIP Init"
help
Provides the driver to enable and disable the isolation between the
processing system and programmable logic part by using the logicoreIP
register set. This driver also configures the frequency based on the
clock information from the logicoreIP register set.
tristate "Xilinx VCU logicoreIP Init"
depends on HAS_IOMEM
help
Provides the driver to enable and disable the isolation between the
processing system and programmable logic part by using the logicoreIP
register set. This driver also configures the frequency based on the
clock information from the logicoreIP register set.
If you say yes here you get support for the logicoreIP.
If you say yes here you get support for the logicoreIP.
If unsure, say N.
If unsure, say N.
To compile this driver as a module, choose M here: the
module will be called xlnx_vcu.
To compile this driver as a module, choose M here: the
module will be called xlnx_vcu.
endmenu

2
drivers/soc/xilinx/xlnx_vcu.c
View File

@ -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;