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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org Relocated suspend code in OCRAM lacks compiler-generated CFI type signatures. When CONFIG_CFI=y is active, the indirect call to imx6_suspend_in_ocram_fn triggers a strict CFI violation panic. Annotate imx6q_suspend_finish with __nocfi to bypass CFI checking for this specific indirect call. Cc: stable@vger.kernel.org Signed-off-by: Yo'av Moshe --- Tested on a Kobo Clara HD (i.MX6SLL SoC) running postmarketOS edge. Before this patch, suspending the device caused an immediate silent hang requiring a hard-reboot. With this patch applied, suspend and resume work successfully. arch/arm/mach-imx/pm-imx6.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/mach-imx/pm-imx6.c b/arch/arm/mach-imx/pm-imx6.c index a671ca498..d9b0c1803 100644 --- a/arch/arm/mach-imx/pm-imx6.c +++ b/arch/arm/mach-imx/pm-imx6.c @@ -360,7 +360,7 @@ int imx6_set_lpm(enum mxc_cpu_pwr_mode mode) return 0; } -static int imx6q_suspend_finish(unsigned long val) +static int __nocfi imx6q_suspend_finish(unsigned long val) { if (!imx6_suspend_in_ocram_fn) { cpu_do_idle(); -- 2.55.0