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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 01.05.2019 03:42, Shawn Guo wrote: > On Tue, Apr 30, 2019 at 09:18:18PM +0000, Leonard Crestez wrote: >> On 4/30/2019 5:27 AM, Shawn Guo wrote: >>> On Mon, Apr 29, 2019 at 09:29:10AM -0700, Olof Johansson wrote: >>>> On Mon, Apr 22, 2019 at 04:28:36PM +0800, Shawn Guo wrote: >>>>> The following changes since commit 9e98c678c2d6ae3a17cb2de55d17f69dddaa231b: >>>>> >>>>> Linux 5.1-rc1 (2019-03-17 14:22:26 -0700) >>>>> >>>>> are available in the Git repository at: >>>>> >>>>> git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux.git tags/imx-defconfig-5.2 >>>>> >>>>> for you to fetch changes up to a3f12aac21848796f5b5c6e9ce2f04e411ec2129: >>>>> >>>>> arm64: defconfig: NVMEM_IMX_OCOTP=y for imx8m (2019-04-22 10:33:53 +0800) >>>>> >>>>> ---------------------------------------------------------------- >>>>> i.MX defconfig update for 5.2: >>>>> - Enable PCF857X GPIO expander and SIOX bus driver support for >>>>> imx_v6_v7_defconfig. >>>>> - Enable more drivers for i.MX8 platform support in arm64 defconfig: >>>>> SNVS RTC, SCU Watchdog, SPI, i.MX8MM pinctrl and clock, LPI2C, >>>>> ROHM_BD718XX PMIC and OCOTP NVMEM. >>>> >>>> All of these are enabled as =y. I don't think all of them are critical for >>>> booting the system up to a rootfs. Can you please switch over any non-critical >>>> drivers to =m? >> > - CONFIG_GPIO_MAX732X=y >> > - CONFIG_I2C_IMX_LPI2C=y >> >> Other I2C/GPIO drivers are "y" but again can't point to anything >> specific that would fail. > > I understand that the rootfs in Olof's context might be ramdisk, and > missing GPIO driver shouldn't be a problem. However, I really would > like build a kernel image out of defconfig that can run into rootfs on > SD/MMC or NFS, which would be much more useful. In that case, drivers > like GPIO should be required. Indeed, some boards might use i2c gpio expanders to reset SD/MCC or ethernet phys; tracking down exactly which i2c gpio expanders are used in this way in order to fix boot issues wouldn't be fun. -- Regards, Leonard _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel