From nobody Wed Jun 17 01:32:43 2026 Received: from mail-lj1-f173.google.com (mail-lj1-f173.google.com [209.85.208.173]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AD78339F18C for ; Tue, 21 Apr 2026 09:00:52 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.208.173 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776762054; cv=none; b=ASe0SQ262EkfMTuoZb8C0Zd+xdp/soJLifcidBf4jCWSDfuuKd4UT1kqdLaIATXyhrGNXsaSCSOdMeExIB/tAUSqghOHab5t1slrgfltlg7AfgwIePQGWoTqxf/Z9No+IK7MzIyhry16MkvJkcUxnQPnHtooYuwlDX7X2mxPBnA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776762054; c=relaxed/simple; bh=BjutMcIEH3kbQHlv3u1kc0EHf31XPA5x+6cvpcO5yEY=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=E+B53g1po4TMnAInpk1HWSAIwgQ4p2hOFl2da7WKsE/T917dmofpxbJqTlUhWDNSquVMBztI99rL375TKfkrdsfxule0mcNTSyqJYRAEfJsCjGjkuHrwMUIQllJ4mBV5K8ERCxtwX9n+10oPYdzi/xWiJbotNVYLR0TgA0Y/Fj8= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=Ue7+Jk+l; arc=none smtp.client-ip=209.85.208.173 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="Ue7+Jk+l" Received: by mail-lj1-f173.google.com with SMTP id 38308e7fff4ca-38e9653b580so41021471fa.2 for ; Tue, 21 Apr 2026 02:00:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1776762051; x=1777366851; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=dthsqIm/Cpxg0B4QgCoO1C8r6BeVrJ1ExMuPMtumgl8=; b=Ue7+Jk+lTAUjZaDV8JrNC5bHrQWgfjBDDODcJIZIQtyZmBYDXW5qk+nZzgjoRMnmXi 40YWmB3Ug/qpARNBJ6di3TId8Y1A7X4bJDAQ2dGii4AD00P5rf810FMugH3+iqxhbJez lyIrO+YNA/WwYfyegTF84av3KM9pLiCVpH4yBdSRAeSdN3g9XIfqmMQ94PPvrNHkACAI pHEPjfEePp1+qM16HYu3EfMsfoPtpBynu+H3z8+IQiL9ZHN2eivHvylJOma1p5Ofk+Z9 vqmZPP9pD9oj20wc4RyXd/p2GPXPbWpJ+lNCLVdTYUje5CfhQnZgaDyvoGMjYF9rjIwL QeBg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1776762051; x=1777366851; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=dthsqIm/Cpxg0B4QgCoO1C8r6BeVrJ1ExMuPMtumgl8=; b=ZGxzwkBKZHr1JXoO+Z7oeCETNr+ZSOePlB09W0R4B5lTdTAQ/WssKqn0x8g6LBBKwt esiZAWRqrZ7RT2alLKPxrs8+nf2JzPjz8N+uHWFMp+hFUDn6kSYRQBi4pB5slnGYYeIs DVvLRPptSFRi/B6aqUSsZYI7k1WR9+hOqyk7FGrgXsnrhVZ+AwTR0yAvAN+aaVbpF0ha ewZrdZknVEvPOVjtWQvLswQ35lPm14zYX5kmjThA420TCXfD0mskQv2nPuJRD/1mcPk6 ouLeJmnZw7jIz9moL8TD+jpyYZCU4rUifZsezK9RtG7inIY+SN51WbZQAUbR/MHCAJiB lgyw== X-Gm-Message-State: AOJu0Yy1RHWrOR0kwyJtb001MlkF4DW4jecDK/zlYyFaqVO+e6+cVGhn TcKZzwP8ShPVRBcXdQHodGHzxxidQQGnN6yV3euwoBLqJJWQWxYY9Cnv X-Gm-Gg: AeBDiesBZaq0bwL+jWR9puCzfy/+2owVCtQmjyEJw1+A2PZ6DWpN+r7JebMg+nWOLRg W3CxKYtXA+t/0h8SWhpYVbocNZXdNjR3BK6hZpe9m2KOcep/pio4dCt+EWLoK4mMe6LhizmQ80V g6a3yCDYO91r11tDmHOlAif+mAlyN5+/r7NksUF2mxPkkE/QKVNZls8HdLLUtlgzaV18GgDHFb7 hiUv7owHUOgYTsRO1SO44yX2H9HYxjVsU9YO9MHR6qXOqEkkiOb4+z4MBZMRnWYuEnNsl8KSXcj JhACwjBgYzuIeDo9wNjq2j96ZuZJl2RgqlvmLhriPxQayKHQGCay3NfZQs7sWyntj902f5sHbp+ PkTHOvXQfzyLNxpRjDcwShcaGCjeu6xlbWzTX4XCwCZGAwURW1G0KmGUGAIbSbzXw6PWAOlyP6q 7/LkkbyqnoT9oZFejL3E6GP9Smx5jdF5o= X-Received: by 2002:a05:651c:1551:b0:38e:d3ec:4fac with SMTP id 38308e7fff4ca-38ed3ec5605mr47926221fa.3.1776762050707; Tue, 21 Apr 2026 02:00:50 -0700 (PDT) Received: from thinkpad ([178.205.156.194]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-38ecb75b033sm28583931fa.39.2026.04.21.02.00.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 21 Apr 2026 02:00:50 -0700 (PDT) From: Matthew Bystrin To: Lee Jones , Richard Cochran , Min Li Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH 1/2] mfd: rsmu_spi: fix page register setup Date: Tue, 21 Apr 2026 12:07:09 +0300 Message-ID: <20260421090710.395591-2-dev.mbstr@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260421090710.395591-1-dev.mbstr@gmail.com> References: <20260421090710.395591-1-dev.mbstr@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Fix writes to page register in 8A3400x family (Clock Matrix). All calls to rsmu_write_page_register() have resulted in early return, becase all addresses in include/linux/mfd/idt8a340_reg.h are less than RSMU_CM_SCSR_BASE. There were 2 separate patch series which have to be merged in one time: mfd and ptp. The latter have been merged, the former[1] have not. Link: https://lore.kernel.org/netdev/LV3P220MB1202F8E2FCCFBA2519B4966EA0192= @LV3P220MB1202.NAMP220.PROD.OUTLOOK.COM/ Fixes: 67d6c76fc815 ("mfd: rsmu: Support 32-bit address space") Signed-off-by: Matthew Bystrin --- drivers/mfd/rsmu_spi.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/drivers/mfd/rsmu_spi.c b/drivers/mfd/rsmu_spi.c index 39d9be1e141f..55c5698e7e77 100644 --- a/drivers/mfd/rsmu_spi.c +++ b/drivers/mfd/rsmu_spi.c @@ -101,11 +101,9 @@ static int rsmu_write_page_register(struct rsmu_ddata = *rsmu, u32 reg) =20 switch (rsmu->type) { case RSMU_CM: - /* Do not modify page register for none-scsr registers */ - if (reg < RSMU_CM_SCSR_BASE) - return 0; page_reg =3D RSMU_CM_PAGE_ADDR; page =3D reg & RSMU_PAGE_MASK; + page |=3D RSMU_CM_SCSR_BASE; buf[0] =3D (u8)(page & 0xFF); buf[1] =3D (u8)((page >> 8) & 0xFF); buf[2] =3D (u8)((page >> 16) & 0xFF); --=20 2.53.0 From nobody Wed Jun 17 01:32:43 2026 Received: from mail-lj1-f171.google.com (mail-lj1-f171.google.com [209.85.208.171]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 6F7F3374197 for ; Tue, 21 Apr 2026 09:00:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.208.171 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776762054; cv=none; b=BmZHrwG9PtYcYKVO8TyUckZf92KGN/6EUoFhCJdxt8FlrwH3l+2UAAVgJnnfUgR2JNrWDoKLbLQ0QEbIxG6fss+QRLpuomAqh4GXwPrPxBk6w5iPCXeUeIS9ZlyP1LY83a+PNPnsS4prZNFRgWD+ZIlwXjES9DPy+unBeCbA81E= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776762054; c=relaxed/simple; bh=5O3E4beXCFsn+2omG2JaeUU9yR3L603oMfZIX81POm0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ocBoKG7WavFaUHUE92AGaqyuy9t+6C3L+hUVtOYMGnCg9W6pQ5/zyICWMKAwi7sLlUfoRCqhsN+OYfTcdTgoN5mnIuiqNdfmtpzI7fav4PQZGKdpZBMM5DujZnjCP35iKooz4/n02hRDnDTYyYoFbJmj9WRvX3hvC/hDIylAgeg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=YMlWzJvs; arc=none smtp.client-ip=209.85.208.171 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="YMlWzJvs" Received: by mail-lj1-f171.google.com with SMTP id 38308e7fff4ca-38e96a071c3so40816171fa.0 for ; Tue, 21 Apr 2026 02:00:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1776762052; x=1777366852; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=4uqEjO1x7U0hEHfUcPuuf7JjPHoK2TE27oUo7PzQd9s=; b=YMlWzJvs+gPhRHvzCNYFK2kg736BhSRlf1DYEcuTmjSBA1qHk0kTzyhqg5NB5wFjuu 8FFrGFHQHN+tQOo2RYXBo+j+GMwk2aBU7iZxqPX7lvyee029TFfelkAhbzGqQZqsOlSh zDLoekKcIehCZF6k4mqEC8HxEnK8bCVAS+1Wkdjuu+4od2SN3I8Iy1GPY2dKn6oI1r+9 fSnqaP/tmVAiMrA0mMYf+KbLmUGNj/tPzPsYjcdnD7QFnqq0h8xvDBU/Vc9nQxEEz5lz Q9RVuNJNsANRnqwO1cJxlYYj9BEkWtKrmEzuzmK69bdyZo1IvefiSojAYQ5HkdC0JxqG DLuw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1776762052; x=1777366852; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=4uqEjO1x7U0hEHfUcPuuf7JjPHoK2TE27oUo7PzQd9s=; b=RFRIQWPy9q/rpc8Pa64r8ShN3ScagZdMGUAoBHXX6RHOZ6/q0I8kjYg6CKmVwDJGKI +uVzFKVWI7gcuOBIYlsRMMMsmT9L+v2ECeuMzGH7P/Gln+ZFIO4cbyjtX75pCQueTXKn NqP2srdoAzSk5nKKOEks+aM0lalWpIwpYSRYlVVGma+/qU8/xAJAbP0j/aivz5h3cnpw spC6acHzUka108k8/JbIRkYP4TZjXHWItlo1QYt+1qqC75ffWidbJj3o755PgWacaQvb wTBQPGchLkTyfmBihDRHbgd5q+02DLSAgqKCvnp0uxL/hBd2ectUc+0FtafwYKf4gJda LX8Q== X-Gm-Message-State: AOJu0YwbXcn8lwKpThxtRCoRYw5e91bIGujhTXA44OBYgg+WuLG1zZvY GsGUlXkXllMZLyXiZmlmDwxS4qLzN6rLuDXTjL1+6OVDExuOLofrjR6A X-Gm-Gg: AeBDies2sUfhHVloM51pYn503Vyo+0IQ7sLMZTkJkhv23oYV8UnLluTGkpGYkMMwjCj Y29JbebFaZr1yySatc7o+skiB8liMUz+/d/lLK392JwvWV6hVcSDmXEPQ7kgr1uiPQ9k81TVSaF /gsZOSF0cSHHmr5Mxcx5voAVHp2NpNR5v0JOtmrVCqQmrV5bIGvbGVaywuSu4lkPxy73AtNzAMH voCfidrctFo/3OT31vC7gL7QNl7HEdA/zcZmwYeezVvAFhqKAfx7v/pkvOC/5Dwqov5MggxdCg2 UCm02SUjafzAcoVQ4O7YuLcMOKO/pLiE3ssk0EkjWS1TxddnPthdT2Ai1cyzOwCBZcKeNStDkWc ZrSYSYDAi/TbgiSIYIRcWt3MBY3XkOZu+TXtYK1ih+H3Bl1Vy0C5eqjCsd+TgZiDGJdX/OjFPx1 JpD+dizW8c9SgYXBmpkeGNUjQ6SGj+AhA= X-Received: by 2002:a05:651c:b0f:b0:38e:7e2:3324 with SMTP id 38308e7fff4ca-38ec7b693f9mr50643341fa.27.1776762051353; Tue, 21 Apr 2026 02:00:51 -0700 (PDT) Received: from thinkpad ([178.205.156.194]) by smtp.gmail.com with ESMTPSA id 38308e7fff4ca-38ecb75b033sm28583931fa.39.2026.04.21.02.00.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 21 Apr 2026 02:00:51 -0700 (PDT) From: Matthew Bystrin To: Lee Jones , Richard Cochran , Min Li Cc: linux-kernel@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH 2/2] mfd: rsmu_spi: add 8a34002 support Date: Tue, 21 Apr 2026 12:07:10 +0300 Message-ID: <20260421090710.395591-3-dev.mbstr@gmail.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260421090710.395591-1-dev.mbstr@gmail.com> References: <20260421090710.395591-1-dev.mbstr@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add separate compatible string and spi_devcie_id to support 8a34002. Signed-off-by: Matthew Bystrin --- drivers/mfd/rsmu_spi.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/mfd/rsmu_spi.c b/drivers/mfd/rsmu_spi.c index 55c5698e7e77..2d4ad9606aec 100644 --- a/drivers/mfd/rsmu_spi.c +++ b/drivers/mfd/rsmu_spi.c @@ -242,6 +242,7 @@ static void rsmu_spi_remove(struct spi_device *client) static const struct spi_device_id rsmu_spi_id[] =3D { { "8a34000", RSMU_CM }, { "8a34001", RSMU_CM }, + { "8a34002", RSMU_CM }, { "82p33810", RSMU_SABRE }, { "82p33811", RSMU_SABRE }, {} @@ -251,6 +252,7 @@ MODULE_DEVICE_TABLE(spi, rsmu_spi_id); static const struct of_device_id rsmu_spi_of_match[] =3D { { .compatible =3D "idt,8a34000", .data =3D (void *)RSMU_CM }, { .compatible =3D "idt,8a34001", .data =3D (void *)RSMU_CM }, + { .compatible =3D "idt,8a34002", .data =3D (void *)RSMU_CM }, { .compatible =3D "idt,82p33810", .data =3D (void *)RSMU_SABRE }, { .compatible =3D "idt,82p33811", .data =3D (void *)RSMU_SABRE }, {} --=20 2.53.0