Re: [PATCH 10/13] usb: mtu3: support ip-sleep wakeup for MT8183

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Hi Chunfeng,

I love your patch! Perhaps something to improve:

[auto build test WARNING on usb/usb-testing]
[also build test WARNING on robh/for-next linus/master v5.12-rc4 next-20210323]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch]

url:    https://github.com/0day-ci/linux/commits/Chunfeng-Yun/dt-bindings-usb-mtk-xhci-support-property-usb2-lpm-disable/20210322-111651
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb.git usb-testing
config: arm64-randconfig-r031-20210322 (attached as .config)
compiler: clang version 13.0.0 (https://github.com/llvm/llvm-project 14696baaf4c43fe53f738bc292bbe169eed93d5d)
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # install arm64 cross compiling tool for clang build
        # apt-get install binutils-aarch64-linux-gnu
        # https://github.com/0day-ci/linux/commit/6c0e65b02daf53e661d1804f081cb75fda28b916
        git remote add linux-review https://github.com/0day-ci/linux
        git fetch --no-tags linux-review Chunfeng-Yun/dt-bindings-usb-mtk-xhci-support-property-usb2-lpm-disable/20210322-111651
        git checkout 6c0e65b02daf53e661d1804f081cb75fda28b916
        # save the attached .config to linux build tree
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=clang make.cross ARCH=arm64 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

>> drivers/usb/mtu3/mtu3_host.c:60:35: warning: implicit conversion from 'unsigned long' to 'u32' (aka 'unsigned int') changes value from 18446744073441120320 to 4026536000 [-Wconstant-conversion]
                   msk = WC0_IS_EN | WC0_IS_C(0xf) | WC0_IS_P;
                       ~ ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~
   drivers/usb/mtu3/mtu3_host.c:61:29: warning: implicit conversion from 'unsigned long' to 'u32' (aka 'unsigned int') changes value from 18446744071562068032 to 2147483712 [-Wconstant-conversion]
                   val = enable ? (WC0_IS_EN | WC0_IS_C(0x8)) : 0;
                       ~           ~~~~~~~~~~^~~~~~~~~~~~~~~
   2 warnings generated.


vim +60 drivers/usb/mtu3/mtu3_host.c

    43	
    44	/*
    45	 * ip-sleep wakeup mode:
    46	 * all clocks can be turn off, but power domain should be kept on
    47	 */
    48	static void ssusb_wakeup_ip_sleep_set(struct ssusb_mtk *ssusb, bool enable)
    49	{
    50		u32 reg, msk, val;
    51	
    52		switch (ssusb->uwk_vers) {
    53		case SSUSB_UWK_V1:
    54			reg = ssusb->uwk_reg_base + PERI_WK_CTRL1;
    55			msk = WC1_IS_EN | WC1_IS_C(0xf) | WC1_IS_P;
    56			val = enable ? (WC1_IS_EN | WC1_IS_C(0x8)) : 0;
    57			break;
    58		case SSUSB_UWK_V11:
    59			reg = ssusb->uwk_reg_base + PERI_WK_CTRL0;
  > 60			msk = WC0_IS_EN | WC0_IS_C(0xf) | WC0_IS_P;
    61			val = enable ? (WC0_IS_EN | WC0_IS_C(0x8)) : 0;
    62			break;
    63		case SSUSB_UWK_V2:
    64			reg = ssusb->uwk_reg_base + PERI_SSUSB_SPM_CTRL;
    65			msk = SSC_IP_SLEEP_EN | SSC_SPM_INT_EN;
    66			val = enable ? msk : 0;
    67			break;
    68		default:
    69			return;
    70		}
    71		regmap_update_bits(ssusb->uwk, reg, msk, val);
    72	}
    73	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx

Attachment: .config.gz
Description: application/gzip


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