From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5F2CB8F74 for ; Sun, 16 Jul 2023 20:06:40 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id D5542C433C7; Sun, 16 Jul 2023 20:06:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1689538000; bh=FtQP2VqelRPeJhTDewTpjSIlnFRK5c65wxz/AzEAnXs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=h3GCE+Lxymtz/3j0U5v30srBV09XpkkY1IIhgPuoDZp8QX3h7t9QcBX+QoWq2LBJ9 Nnhuo2wqegudF6LeEQUxzqOtZvo8/g+OvLiei+yhHP/BilxqCCUxU7exup2iNHpDVT SiSBK6f1efs6mroUr77zkZoZnuHsTRgRl2isoTj0= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Linus Walleij , Sasha Levin Subject: [PATCH 6.4 296/800] ARM: omap2: Rewrite WLAN quirk to use GPIO descriptors Date: Sun, 16 Jul 2023 21:42:29 +0200 Message-ID: <20230716194955.956898952@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230716194949.099592437@linuxfoundation.org> References: <20230716194949.099592437@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit From: Linus Walleij [ Upstream commit 078dc5194c0ac1b8e2fc088be2168a1104e16f72 ] The OMAP2 platform data quirk is using the global GPIO numberspace to obtain two WLAN GPIOs to drive power and xcvr reset GPIO lines during start-up. Rewrite the quirk to use a GPIO descriptor table so we avoid using global GPIO numbers. This gets rid of the final dependency on the legacy header from the OMAP2/3 platforms. Fixes: 92bf78b33b0b ("gpio: omap: use dynamic allocation of base") Signed-off-by: Linus Walleij Signed-off-by: Sasha Levin --- arch/arm/mach-omap2/pdata-quirks.c | 41 ++++++++++++++++++++---------- 1 file changed, 28 insertions(+), 13 deletions(-) diff --git a/arch/arm/mach-omap2/pdata-quirks.c b/arch/arm/mach-omap2/pdata-quirks.c index 3264c4e77a8aa..c1c0121f478d6 100644 --- a/arch/arm/mach-omap2/pdata-quirks.c +++ b/arch/arm/mach-omap2/pdata-quirks.c @@ -8,7 +8,6 @@ #include #include #include -#include #include #include #include @@ -178,25 +177,41 @@ static void __init am35xx_emac_reset(void) omap_ctrl_readl(AM35XX_CONTROL_IP_SW_RESET); /* OCP barrier */ } -static struct gpio cm_t3517_wlan_gpios[] __initdata = { - { 56, GPIOF_OUT_INIT_HIGH, "wlan pwr" }, - { 4, GPIOF_OUT_INIT_HIGH, "xcvr noe" }, +static struct gpiod_lookup_table cm_t3517_wlan_gpio_table = { + .dev_id = NULL, + .table = { + GPIO_LOOKUP("gpio-48-53", 8, "power", + GPIO_ACTIVE_HIGH), + GPIO_LOOKUP("gpio-0-15", 4, "noe", + GPIO_ACTIVE_HIGH), + { } + }, }; static void __init omap3_sbc_t3517_wifi_init(void) { - int err = gpio_request_array(cm_t3517_wlan_gpios, - ARRAY_SIZE(cm_t3517_wlan_gpios)); - if (err) { - pr_err("SBC-T3517: wl12xx gpios request failed: %d\n", err); - return; - } + struct gpio_desc *d; - gpiod_export(gpio_to_desc(cm_t3517_wlan_gpios[0].gpio), 0); - gpiod_export(gpio_to_desc(cm_t3517_wlan_gpios[1].gpio), 0); + gpiod_add_lookup_table(&cm_t3517_wlan_gpio_table); + /* This asserts the RESET line (reverse polarity) */ + d = gpiod_get(NULL, "power", GPIOD_OUT_HIGH); + if (IS_ERR(d)) { + pr_err("Unable to get CM T3517 WLAN power GPIO descriptor\n"); + } else { + gpiod_set_consumer_name(d, "wlan pwr"); + gpiod_export(d, 0); + } + + d = gpiod_get(NULL, "noe", GPIOD_OUT_HIGH); + if (IS_ERR(d)) { + pr_err("Unable to get CM T3517 WLAN XCVR NOE GPIO descriptor\n"); + } else { + gpiod_set_consumer_name(d, "xcvr noe"); + gpiod_export(d, 0); + } msleep(100); - gpio_set_value(cm_t3517_wlan_gpios[1].gpio, 0); + gpiod_set_value(d, 0); } static struct gpiod_lookup_table omap3_sbc_t3517_usb_gpio_table = { -- 2.39.2