From: Jakub Kicinski <kuba@kernel.org>
To: Colin Foster <colin.foster@in-advantage.com>
Cc: linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org,
devicetree@vger.kernel.org, netdev@vger.kernel.org,
Russell King <linux@armlinux.org.uk>,
Linus Walleij <linus.walleij@linaro.org>,
UNGLinuxDriver@microchip.com,
Alexandre Belloni <alexandre.belloni@bootlin.com>,
Claudiu Manoil <claudiu.manoil@nxp.com>,
Lee Jones <lee@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Rob Herring <robh+dt@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
Eric Dumazet <edumazet@google.com>,
"David S. Miller" <davem@davemloft.net>,
Vladimir Oltean <olteanv@gmail.com>,
Florian Fainelli <f.fainelli@gmail.com>,
Vivien Didelot <vivien.didelot@gmail.com>,
Andrew Lunn <andrew@lunn.ch>
Subject: Re: [PATCH v2 net-next 08/14] net: dsa: felix: update init_regmap to be string-based
Date: Thu, 22 Sep 2022 19:39:06 -0700 [thread overview]
Message-ID: <20220922193906.7ab18960@kernel.org> (raw)
In-Reply-To: <20220922040102.1554459-9-colin.foster@in-advantage.com>
On Wed, 21 Sep 2022 21:00:56 -0700 Colin Foster wrote:
> During development, it was believed that a wrapper for ocelot_regmap_init()
> would be sufficient for the felix driver to work in non-mmio scenarios.
> This was merged in during commit 242bd0c10bbd ("net: dsa: ocelot: felix:
> add interface for custom regmaps")
>
> As the external ocelot DSA driver grew closer to an acceptable state, it
> was realized that most of the parameters that were passed in from struct
> resource *res were useless and ignored. This is due to the fact that the
> external ocelot DSA driver utilizes dev_get_regmap(dev, resource->name).
>
> Instead of simply ignoring those parameters, refactor the API to only
> require the name as an argument. MMIO scenarios this will reconstruct the
> struct resource before calling ocelot_regmap_init(ocelot, resource). MFD
> scenarios need only call dev_get_regmap(dev, name).
>
> Signed-off-by: Colin Foster <colin.foster@in-advantage.com>
drivers/net/dsa/ocelot/felix.c:1328:14: warning: variable 'match' is used uninitialized whenever 'for' loop exits because its condition is false [-Wsometimes-uninitialized]
for (i = 0; i < TARGET_MAX; i++) {
^~~~~~~~~~~~~~
drivers/net/dsa/ocelot/felix.c:1338:7: note: uninitialized use occurs here
if (!match) {
^~~~~
drivers/net/dsa/ocelot/felix.c:1328:14: note: remove the condition if it is always true
for (i = 0; i < TARGET_MAX; i++) {
^~~~~~~~~~~~~~
drivers/net/dsa/ocelot/felix.c:1324:30: note: initialize the variable 'match' to silence this warning
const struct resource *match;
^
= NULL
next prev parent reply other threads:[~2022-09-23 2:39 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-09-22 4:00 [PATCH v2 net-next 00/14] add support for the the vsc7512 internal copper phys Colin Foster
2022-09-22 4:00 ` [PATCH v2 net-next 01/14] net: mscc: ocelot: expose ocelot wm functions Colin Foster
2022-09-22 4:00 ` [PATCH v2 net-next 02/14] net: mscc: ocelot: expose regfield definition to be used by other drivers Colin Foster
2022-09-22 4:00 ` [PATCH v2 net-next 03/14] net: mscc: ocelot: expose stats layout " Colin Foster
2022-09-22 4:00 ` [PATCH v2 net-next 04/14] net: mscc: ocelot: expose vcap_props structure Colin Foster
2022-09-22 4:00 ` [PATCH v2 net-next 05/14] net: mscc: ocelot: expose ocelot_reset routine Colin Foster
2022-09-22 4:00 ` [PATCH v2 net-next 06/14] net: dsa: felix: add configurable device quirks Colin Foster
2022-09-22 4:00 ` [PATCH v2 net-next 07/14] net: dsa: felix: populate mac_capabilities for all ports Colin Foster
2022-09-22 4:00 ` [PATCH v2 net-next 08/14] net: dsa: felix: update init_regmap to be string-based Colin Foster
2022-09-23 2:39 ` Jakub Kicinski [this message]
2022-09-23 2:40 ` Jakub Kicinski
2022-09-23 15:53 ` Colin Foster
2022-09-22 4:00 ` [PATCH v2 net-next 09/14] pinctrl: ocelot: avoid macro redefinition Colin Foster
2022-09-22 4:00 ` [PATCH v2 net-next 10/14] mfd: ocelot: prepend resource size macros to be 32-bit Colin Foster
2022-09-22 4:00 ` [PATCH v2 net-next 11/14] mfd: ocelot: add regmaps for ocelot_ext Colin Foster
2022-09-22 4:01 ` [PATCH v2 net-next 12/14] dt-bindings: net: dsa: ocelot: add ocelot-ext documentation Colin Foster
2022-09-23 18:08 ` Krzysztof Kozlowski
2022-09-23 18:18 ` Colin Foster
2022-09-23 18:31 ` Krzysztof Kozlowski
2022-09-22 4:01 ` [PATCH v2 net-next 13/14] net: dsa: ocelot: add external ocelot switch control Colin Foster
2022-09-22 4:01 ` [PATCH v2 net-next 14/14] mfd: " Colin Foster
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