From mboxrd@z Thu Jan 1 00:00:00 1970 From: viresh.kumar@linaro.org (Viresh Kumar) Date: Wed, 12 Jul 2017 12:48:02 +0530 Subject: [RFC v2 4/6] drivers: boot_constraint: Add debugfs support In-Reply-To: References: Message-ID: <20170712071802.GA1679@vireshk-i7> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 12-07-17, 12:04, Viresh Kumar wrote: > This patch adds debugfs support for boot constraints. This is how it > looks for a "vmmc-supply" constraint for the MMC device. > > $ ls -R /sys/kernel/debug/boot_constraints/ > /sys/kernel/debug/boot_constraints/: > f723d000.dwmmc0 > > /sys/kernel/debug/boot_constraints/f723d000.dwmmc0: > supply-vmmc > > /sys/kernel/debug/boot_constraints/f723d000.dwmmc0/supply-vmmc: > u_volt_max u_volt_min > > Signed-off-by: Viresh Kumar > --- > drivers/base/boot_constraint.c | 80 ++++++++++++++++++++++++++++++++++++++++++ > 1 file changed, 80 insertions(+) Forgot to mention that this one depends on https://marc.info/?l=linux-kernel&m=149870936319587 for compilation without CONFIG_DEBUG_FS. -- viresh