From mboxrd@z Thu Jan 1 00:00:00 1970 From: Thierry Reding Subject: [PATCH] mfd: max77620: Use single-byte writes on MAX77620 Date: Fri, 17 Apr 2020 19:09:13 +0200 Message-ID: <20200417170913.2552327-1-thierry.reding@gmail.com> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: Sender: linux-tegra-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Lee Jones Cc: Jon Hunter , linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: linux-tegra@vger.kernel.org From: Thierry Reding The MAX77620 doesn't support bulk writes, so make sure the regmap code breaks bulk writes into multiple single-byte writes. Note that this is mostly cosmetic because currently only the RTC sub- driver uses bulk writes and the RTC driver ends up using a different regmap on the MAX77620 anyway. However, it seems like a good idea to make this change now in order to avoid running into issues if bulk writes are ever used by other sub-drivers sometime down the road. Signed-off-by: Thierry Reding --- drivers/mfd/max77620.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mfd/max77620.c b/drivers/mfd/max77620.c index c7ed5c353553..fec2096474ad 100644 --- a/drivers/mfd/max77620.c +++ b/drivers/mfd/max77620.c @@ -177,6 +177,7 @@ static const struct regmap_config max77620_regmap_config = { .rd_table = &max77620_readable_table, .wr_table = &max77620_writable_table, .volatile_table = &max77620_volatile_table, + .use_single_write = true, }; static const struct regmap_config max20024_regmap_config = { -- 2.24.1