From: Shannon Nelson <snel...@pensando.io> Date: Tue, 23 Jul 2019 15:50:22 -0700
> On 7/23/19 2:18 PM, David Miller wrote: >> From: Shannon Nelson <snel...@pensando.io> >> Date: Mon, 22 Jul 2019 14:40:06 -0700 >> >>> +void ionic_init_devinfo(struct ionic_dev *idev) >>> +{ >>> + idev->dev_info.asic_type = ioread8(&idev->dev_info_regs->asic_type); >>> + idev->dev_info.asic_rev = ioread8(&idev->dev_info_regs->asic_rev); >>> + >>> + memcpy_fromio(idev->dev_info.fw_version, >>> + idev->dev_info_regs->fw_version, >>> + IONIC_DEVINFO_FWVERS_BUFLEN); >>> + >>> + memcpy_fromio(idev->dev_info.serial_num, >>> + idev->dev_info_regs->serial_num, >>> + IONIC_DEVINFO_SERIAL_BUFLEN); >> ... >>> + sig = ioread32(&idev->dev_info_regs->signature); >> I think if you are going to use the io{read,write}{8,16,32,64}() >> interfaces then you should use io{read,write}{8,16,32,64}_rep() >> instead of memcpy_{to,from}io(). >> > Sure. Note, I could be wrong. Please test. I think the operation of the two things might be different.