[lora-next,11/11] net: lora: sx130x: Enable regmap caching

Message ID	20190106083754.6004-12-afaerber@suse.de
State	New
Headers	show Delivered-To: patch@linaro.org Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; From: =?utf-8?q?Andreas_F=C3=A4rber?= <afaerber@suse.de> To: linux-lpwan@lists.infradead.org Cc: netdev@vger.kernel.org, linux-kernel@vger.kernel.org, =?utf-8?q?Andrea?= =?utf-8?b?cyBGw6RyYmVy?= <afaerber@suse.de>, Ben Whitten <ben.whitten@gmail.com>, "David S. Miller" <davem@davemloft.net> Subject: [PATCH lora-next 11/11] net: lora: sx130x: Enable regmap caching Date: Sun, 6 Jan 2019 09:37:54 +0100 Message-Id: <20190106083754.6004-12-afaerber@suse.de> In-Reply-To: <20190106083754.6004-1-afaerber@suse.de> References: <20190106083754.6004-1-afaerber@suse.de> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk
Series	net: lora: sx130x: Fixes for enabling regcache \| expand [lora-next,00/11] net: lora: sx130x: Fixes for enabling regcache [lora-next,02/11] net: lora: sx130x: Fix error codes [lora-next,03/11] net: lora: sx130x: Revert drop of sx1301_soft_reset() [lora-next,05/11] net: lora: sx130x: Fix regmap field toggles [lora-next,06/11] net: lora: sx130x: Force regmap field write before sleep [lora-next,07/11] net: lora: sx130x: Force regmap field writes before function boundaries [lora-next,09/11] net: lora: sx130x: Mark AGCSTS register as volatile [lora-next,10/11] net: lora: sx130x: Mark MCU_CTRL register as volatile [lora-next,11/11] net: lora: sx130x: Enable regmap caching

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20190106083754.6004-12-afaerber@suse.de

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Subject: [PATCH lora-next 11/11] net: lora: sx130x: Enable regmap caching
Date: Sun,  6 Jan 2019 09:37:54 +0100
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Series

net: lora: sx130x: Fixes for enabling regcache | expand

Commit Message

Andreas Färber Jan. 6, 2019, 8:37 a.m. UTC

To fix performance penalties compared to pre-regmap field code,
enable caching.

Note: This has been tested to not regress on spi-gpio, with no
improvement on spi-sun6i for clk_prepare() locking issue.

Cc: Ben Whitten <ben.whitten@gmail.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>

---
 drivers/net/lora/sx130x.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

-- 
2.16.4

diff --git a/drivers/net/lora/sx130x.c b/drivers/net/lora/sx130x.c
index 76ce072a540a..2fb18d0c9db5 100644
--- a/drivers/net/lora/sx130x.c
+++ b/drivers/net/lora/sx130x.c
@@ -162,7 +162,7 @@  const struct regmap_config sx130x_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,
 
-	.cache_type = REGCACHE_NONE,
+	.cache_type = REGCACHE_RBTREE,
 	.disable_locking = true,
 
 	.read_flag_mask = 0,

[lora-next,11/11] net: lora: sx130x: Enable regmap caching

Commit Message

Patch