linux-kernel - [PATCH 6/8] media: adv748x: reduce amount of code for bitwise modification of device registers

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Date:   Mon, 13 Jan 2020 15:15:45 +0100
From:   Alex Riesen <alexander.riesen@...itec.com>
To:     Kieran Bingham <kieran.bingham@...asonboard.com>
CC:     Mauro Carvalho Chehab <mchehab@...nel.org>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Rob Herring <robh+dt@...nel.org>,
        "Mark Rutland" <mark.rutland@....com>,
        <devel@...verdev.osuosl.org>, <linux-media@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-renesas-soc@...r.kernel.org>
Subject: [PATCH 6/8] media: adv748x: reduce amount of code for bitwise
 modification of device registers

The regmap provides corresponding routine (regmap_update_bits) already
wrapped for this device earlier.

Signed-off-by: Alexander Riesen <alexander.riesen@...itec.com>
---
 drivers/media/i2c/adv748x/adv748x.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/media/i2c/adv748x/adv748x.h b/drivers/media/i2c/adv748x/adv748x.h
index 5db06410f102..ab3f754542fe 100644
--- a/drivers/media/i2c/adv748x/adv748x.h
+++ b/drivers/media/i2c/adv748x/adv748x.h
@@ -432,7 +432,7 @@ int adv748x_update_bits(struct adv748x_state *state, u8 page, u8 reg,
 
 #define io_read(s, r) adv748x_read(s, ADV748X_PAGE_IO, r)
 #define io_write(s, r, v) adv748x_write(s, ADV748X_PAGE_IO, r, v)
-#define io_clrset(s, r, m, v) io_write(s, r, (io_read(s, r) & ~m) | v)
+#define io_clrset(s, r, m, v) adv748x_update_bits(s, ADV748X_PAGE_IO, r, m, v)
 #define io_update(s, r, m, v) adv748x_update_bits(s, ADV748X_PAGE_IO, r, m, v)
 
 #define hdmi_read(s, r) adv748x_read(s, ADV748X_PAGE_HDMI, r)
@@ -450,11 +450,11 @@ int adv748x_update_bits(struct adv748x_state *state, u8 page, u8 reg,
 
 #define sdp_read(s, r) adv748x_read(s, ADV748X_PAGE_SDP, r)
 #define sdp_write(s, r, v) adv748x_write(s, ADV748X_PAGE_SDP, r, v)
-#define sdp_clrset(s, r, m, v) sdp_write(s, r, (sdp_read(s, r) & ~m) | v)
+#define sdp_clrset(s, r, m, v) adv748x_update_bits(s, ADV748X_PAGE_SDP, r, m, v)
 
 #define cp_read(s, r) adv748x_read(s, ADV748X_PAGE_CP, r)
 #define cp_write(s, r, v) adv748x_write(s, ADV748X_PAGE_CP, r, v)
-#define cp_clrset(s, r, m, v) cp_write(s, r, (cp_read(s, r) & ~m) | v)
+#define cp_clrset(s, r, m, v) adv748x_update_bits(s, ADV748X_PAGE_CP, r, m, v)
 
 #define tx_read(t, r) adv748x_read(t->state, t->page, r)
 #define tx_write(t, r, v) adv748x_write(t->state, t->page, r, v)
-- 
2.24.1.508.g91d2dafee0