From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=62.149.156.101 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793058838; b=SOLo7vT3i8ZLeLdabQwkJt+9GC1pJG4glqylmmOVIQZHqvrUVtuL7DClMfm7unfNID81 UebE1q2UHQ94L0xXRRffSl49pGoJ9Mi8mHDkL8MSCrJbLX6658AZcBoWzKaNdWX/ox2F8 YEfB5pArY2nq7IGFSE9BbgirARYgowick8nLQiYW05/w03Vk/TnJWH3MMNrvbV5ZfK7xa nhLyyw9uYshTvz+5Kx10UT72wPgxySJ6VjbDwiCwAvkE7vxd/pMNPco7uXI2jINA5fitf qq87MUxQNwTvoUtDfGQrR+ax8SUMa/1OwGholsgIdqOB4JKIkWY/40ivDClJPb6LZ7g== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793058838; h=DMARC-Filter:Received:DKIM-Signature:From:Date:Subject:MIME-Version: Content-Type:Content-Transfer-Encoding:Message-Id:References: In-Reply-To:To:Cc:X-Mailer:X-CMAE-Envelope; bh=+zLzPHUEZEXW6y82jyuBw/xnc6RohWzjfgDA3uNjT2M=; b=SQotIhxGKcuSf4jH9xxpr0on49Ug/tT8SzRqOXivzBhbmI66tfjkCK14cP4GI8aoQ7bg 7cW9BR+75LzO4rrowCvIcili+gpCioESLtsdfyvgG/9TtyG/KzKALE1Yj0G/hHErIa5O6 7mF8g3EfgK2V2CaIvhEjEUbGmc1GtGs1lggIjNMFftUN69LUxkmy6wj0jo3n/vi9q3NB8 55jftvJ+m3LzMV0zoZafsgiqZSRIMGt2LnPomD9gWB02HBlg9aP1969T470pSkjPg2+80 2QQRzj0VwYA9bcaTK8IU7gIiLCwQHy6BMbxTsjrqFfbmUm3WV7f6/z7tupvMsNY5/Wg== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=mythread.it; spf=pass smtp.mailfrom=mythread.it; dkim=pass header.d=mythread.it header.i=@mythread.it header.a=rsa-sha256 header.s=a1 header.b=JNJbq7AC; arc=none smtp.remote-ip=62.149.156.101 Received: from smtpcmd10101.aruba.it (smtpcmd10101.aruba.it [62.149.156.101]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AB1E9606A326 for ; Mon, 26 Oct 2026 23:53:56 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org AB1E9606A326 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=mythread.it Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mythread.it Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=mythread.it header.i=@mythread.it header.a=rsa-sha256 header.s=a1 header.b=JNJbq7AC Received: from [127.0.0.1] ([79.43.52.162]) by Aruba SMTP with ESMTPSA id LUVexsCYFW41bLUVhxjBes; Tue, 27 Oct 2026 00:53:49 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=mythread.it; s=a1; t=1793058829; bh=xYkuKLvrYMhAaMvR2HnGbB2PYayNisrGA+rKA9q8dS4=; h=From:Date:Subject:MIME-Version:Content-Type:To; b=JNJbq7ACitcqHLEjBzGQlMwiVcIxtt2znaZVdQBy070uPX27rXEX2M9Zpa92yZXTE REQo8xVIwRsDvGCwCm6rSa3Mx+4jcWuKFY8KKBQcXOI9EX16Je1PnUW5FOlVHNqIW8 bOZky+DUoSf1+KvUnQiBX+Hu6RIk3vHd40AIRcDAfM5EKA4KRfCheV4H1+n3tTZE1C HbduuqDiH3lz4EDtL8QvpAedR8BwZBruhNUqR5ZKCGGvd0Rc+XxgMbralEJ6aam3Cr JLja+YUAXR1uw98C7W0YFnLXO0JF/b/TlX42r6WovZlsAyC1Nl4ef7E9E4IZvIb5Vr Y0zvuVUuz9KUA== From: Alessio Ferri Date: Tue, 27 Oct 2026 00:53:47 +0100 Subject: [PATCH wireless-next v2 4/8] bcma: chipcommon: enable asynchronous GPIO interrupts X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20261027-bcma-ac-rev1-v2-4-b69b61c31920@mythread.it> References: <20261027-bcma-ac-rev1-v2-0-b69b61c31920@mythread.it> In-Reply-To: <20261027-bcma-ac-rev1-v2-0-b69b61c31920@mythread.it> To: =?utf-8?q?Rafa=C5=82_Mi=C5=82ecki?= , Michael Buesch , vit9696 Cc: linux-wireless@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mips@vger.kernel.org, Alessio Ferri X-Mailer: b4 0.15.2 X-CMAE-Envelope: MS4xfJTF5XyttIODpSGvzr+IyNa5pZ6s2Iy93f1vGuHU8PAc+2JXCCQEW+VJahQHRKzZfMSpaIsScInpp4Undro0Spc37izaQYfBvFAPBlQNo89WRv+nuTjG kITyRDM9iZU5OIkvS5gbAKWxP+yzx9AmUyCM4B4J/Ww6OaDA1q2rHLMsw9+Uq2JZaeIWm+oOthTEqx8wKINYYwO7d3Z05lIMo06PonQNuFRLWJQ+ANlXqvHd K9Ukfqd/gfb1eUrLm7VO3SeEnU6Jm3gSRwK1dwjJ6Wy8FmshmJGvFlTEPLFEA4BT9ROpzH5aI4EOnGaa7P5hE3jv8FFgfdcUNPBn4F3dkUgDbhJuGTFJQ+VV d0ZPgj44gQuvpaj6XmirDY1BNwcq8/5Cw5Ts4+wrhM4qYZuaHN4= Set CORECTL_ASYNCGPIO on chipcommon rev 21 and later, as Broadcom's driver does at attach, so that GPIO interrupts are generated without the backplane clock. Signed-off-by: Alessio Ferri --- drivers/bcma/driver_chipcommon.c | 3 +++ include/linux/bcma/bcma_driver_chipcommon.h | 1 + 2 files changed, 4 insertions(+) diff --git a/drivers/bcma/driver_chipcommon.c b/drivers/bcma/driver_chipcommon.c index fd91a39f0..f5e1b5415 100644 --- a/drivers/bcma/driver_chipcommon.c +++ b/drivers/bcma/driver_chipcommon.c @@ -227,6 +227,9 @@ void bcma_core_chipcommon_init(struct bcma_drv_cc *cc) ((leddc_on << BCMA_CC_GPIOTIMER_ONTIME_SHIFT) | (leddc_off << BCMA_CC_GPIOTIMER_OFFTIME_SHIFT))); } + + if (cc->core->id.rev >= 21) + bcma_cc_set32(cc, BCMA_CC_CORECTL, BCMA_CC_CORECTL_ASYNCGPIO); cc->ticks_per_ms = bcma_chipco_watchdog_ticks_per_ms(cc); cc->setup_done = true; diff --git a/include/linux/bcma/bcma_driver_chipcommon.h b/include/linux/bcma/bcma_driver_chipcommon.h index 45c37b6bd..b761801d6 100644 --- a/include/linux/bcma/bcma_driver_chipcommon.h +++ b/include/linux/bcma/bcma_driver_chipcommon.h @@ -54,6 +54,7 @@ #define BCMA_CC_CORECTL 0x0008 #define BCMA_CC_CORECTL_UARTCLK0 0x00000001 /* Drive UART with internal clock */ #define BCMA_CC_CORECTL_SE 0x00000002 /* sync clk out enable (corerev >= 3) */ +#define BCMA_CC_CORECTL_ASYNCGPIO 0x00000004 /* GPIO IRQs without backplane clock */ #define BCMA_CC_CORECTL_UARTCLKEN 0x00000008 /* UART clock enable (rev >= 21) */ #define BCMA_CC_BIST 0x000C #define BCMA_CC_OTPS 0x0010 /* OTP status */ -- 2.34.1