From mboxrd@z Thu Jan 1 00:00:00 1970 Delivery-date: Thu, 30 Mar 2023 16:54:34 +0200 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by lore.white.stw.pengutronix.de with esmtps (TLS1.3) tls TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384 (Exim 4.94.2) (envelope-from ) id 1phtfd-002pMt-Pt for lore@lore.pengutronix.de; Thu, 30 Mar 2023 16:54:34 +0200 Received: from bombadil.infradead.org ([2607:7c80:54:3::133]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1phtfd-0004kl-8y for lore@pengutronix.de; Thu, 30 Mar 2023 16:54:33 +0200 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:In-Reply-To:Content-Type: MIME-Version:References:Message-ID:Subject:To:From:Date:Reply-To:Cc: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=0h6BSltP5/7iXk22oxpyhHhHo9zSiqXxoOLmq9lYWvg=; b=AGN6AQdQOk+J3jzib55pHn7rJ8 QQR5wk3stNCwuKhIyRwidY1Nmvso28LQEiE70TeS6Gx3X/bIS836sSqCOHbH/6c4290CxfBqE10C6 Ww7LEkTgOiMrZyD0dT1JWVFudj+uXwYCFj9s5++uZk63bA5SSFLOJYstXIksxmsvYQjID3puVnj0J vhNvYvCpPEoSvXiLqe71RXJNgEZ9UST2F4dkHZibHtNbwHLPZNFdi1cUEgNxj2X4cja7QxNLX3/YK o2V81nbtGIe3kEBOkNzq6z9gG+mdB7mEpzSvdVq8L+d72yg8anPn7OTVVXSahAHgUAa8UwIAUu1vJ JnxsLEng==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1phteP-0048qv-0f; Thu, 30 Mar 2023 14:53:17 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1phteK-0048qY-2A for barebox@lists.infradead.org; Thu, 30 Mar 2023 14:53:14 +0000 Received: from ptx.hi.pengutronix.de ([2001:67c:670:100:1d::c0]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1phteI-0004gB-5w for barebox@lists.infradead.org; Thu, 30 Mar 2023 16:53:10 +0200 Received: from pza by ptx.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1phteH-00024v-V2 for barebox@lists.infradead.org; Thu, 30 Mar 2023 16:53:09 +0200 Date: Thu, 30 Mar 2023 16:53:09 +0200 From: Philipp Zabel To: barebox@lists.infradead.org Message-ID: <20230330145309.GA7856@pengutronix.de> References: <20230330103359.2751080-1-p.zabel@pengutronix.de> <20230330103359.2751080-2-p.zabel@pengutronix.de> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20230330103359.2751080-2-p.zabel@pengutronix.de> X-Sent-From: Pengutronix Hildesheim X-URL: http://www.pengutronix.de/ X-Accept-Language: de,en X-Accept-Content-Type: text/plain User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230330_075313_057776_C25BC1FA X-CRM114-Status: GOOD ( 15.05 ) X-BeenThere: barebox@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "barebox" X-SA-Exim-Connect-IP: 2607:7c80:54:3::133 X-SA-Exim-Mail-From: barebox-bounces+lore=pengutronix.de@lists.infradead.org X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on metis.ext.pengutronix.de X-Spam-Level: X-Spam-Status: No, score=-4.7 required=4.0 tests=AWL,BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,RCVD_IN_DNSWL_MED,SPF_HELO_NONE,SPF_NONE, URIBL_BLOCKED autolearn=unavailable autolearn_force=no version=3.4.2 Subject: Re: [PATCH 2/4] spi: stm32: support per-transfer bits per word switching X-SA-Exim-Version: 4.2.1 (built Wed, 08 May 2019 21:11:16 +0000) X-SA-Exim-Scanned: Yes (on metis.ext.pengutronix.de) On Thu, Mar 30, 2023 at 12:33:57PM +0200, Philipp Zabel wrote: > Allow dynamically switching data size between transfers. > > Signed-off-by: Philipp Zabel > --- > drivers/spi/stm32_spi.c | 50 ++++++++++++++++++++++++++++++++--------- > 1 file changed, 39 insertions(+), 11 deletions(-) > > diff --git a/drivers/spi/stm32_spi.c b/drivers/spi/stm32_spi.c > index 0d7407c279a2..1ac86fbe11e6 100644 > --- a/drivers/spi/stm32_spi.c > +++ b/drivers/spi/stm32_spi.c [...] > @@ -543,6 +570,7 @@ static int stm32_spi_probe(struct device *dev) > master->transfer = stm32_spi_transfer; > master->mem_ops = &stm32_spi_mem_ops; > > + master->bits_per_word_mask = stm32_spi_get_bpw_mask(priv); This has to be moved down a few lines, after the clock is enabled and the device is reset. I'll fix this in v2. regards Philipp