mail archive of the barebox mailing list
 help / color / mirror / Atom feed
From: Oleksij Rempel <o.rempel@pengutronix.de>
To: barebox@lists.infradead.org
Cc: Oleksij Rempel <o.rempel@pengutronix.de>
Subject: [PATCH v3 06/12] spi: port spi_sync_transfer() function from kernel v5.17
Date: Thu,  7 Apr 2022 11:15:58 +0200	[thread overview]
Message-ID: <20220407091604.956577-7-o.rempel@pengutronix.de> (raw)
In-Reply-To: <20220407091604.956577-1-o.rempel@pengutronix.de>

This function is needed for SJA11xx switch driver

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
---
 include/spi/spi.h | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/include/spi/spi.h b/include/spi/spi.h
index d133e0e212..b6d08592a3 100644
--- a/include/spi/spi.h
+++ b/include/spi/spi.h
@@ -442,6 +442,30 @@ spi_transfer_del(struct spi_transfer *t)
 
 int spi_sync(struct spi_device *spi, struct spi_message *message);
 
+/**
+ * spi_sync_transfer - synchronous SPI data transfer
+ * @spi: device with which data will be exchanged
+ * @xfers: An array of spi_transfers
+ * @num_xfers: Number of items in the xfer array
+ * Context: can sleep
+ *
+ * Does a synchronous SPI data transfer of the given spi_transfer array.
+ *
+ * For more specific semantics see spi_sync().
+ *
+ * Return: zero on success, else a negative error code.
+ */
+static inline int
+spi_sync_transfer(struct spi_device *spi, struct spi_transfer *xfers,
+	unsigned int num_xfers)
+{
+	struct spi_message msg;
+
+	spi_message_init_with_transfers(&msg, xfers, num_xfers);
+
+	return spi_sync(spi, &msg);
+}
+
 struct spi_device *spi_new_device(struct spi_controller *ctrl,
 				  struct spi_board_info *chip);
 int spi_register_controller(struct spi_controller *ctrl);
-- 
2.30.2


_______________________________________________
barebox mailing list
barebox@lists.infradead.org
http://lists.infradead.org/mailman/listinfo/barebox


  parent reply	other threads:[~2022-04-07  9:39 UTC|newest]

Thread overview: 18+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-04-07  9:15 [PATCH v3 00/12] provide DSA support Oleksij Rempel
2022-04-07  9:15 ` [PATCH v3 01/12] net: add RX preprocessor support Oleksij Rempel
2022-04-07  9:15 ` [PATCH v3 02/12] net: add of_find_eth_device_by_node() function Oleksij Rempel
2022-04-07 13:36   ` Sascha Hauer
2022-04-07  9:15 ` [PATCH v3 03/12] net: add DSA framework to support basic switch functionality Oleksij Rempel
2022-04-07 13:56   ` Sascha Hauer
2022-04-12  8:14   ` Sascha Hauer
2022-04-07  9:15 ` [PATCH v3 04/12] driver: add dev_get_priv() helper Oleksij Rempel
2022-04-07  9:15 ` [PATCH v3 05/12] net: port part of if_vlan header from kernel v5.17 Oleksij Rempel
2022-04-07  9:15 ` Oleksij Rempel [this message]
2022-04-07  9:15 ` [PATCH v3 07/12] net: mdio: add MDIO_DEVAD_NONE define Oleksij Rempel
2022-04-07  9:16 ` [PATCH v3 08/12] net: phy: make sure MDIO bus is probed if we search for the PHY Oleksij Rempel
2022-04-07  9:16 ` [PATCH v3 09/12] of_net: add rev-rmii support Oleksij Rempel
2022-04-07  9:16 ` [PATCH v3 10/12] net: dsa: add support for SJA11xx switches Oleksij Rempel
2022-04-07 14:04   ` Sascha Hauer
2022-04-07  9:16 ` [PATCH v3 11/12] net: dsa: add KSZ9477 switch SPI driver Oleksij Rempel
2022-04-07 14:27   ` Sascha Hauer
2022-04-07  9:16 ` [PATCH v3 12/12] add ethlog Oleksij Rempel

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20220407091604.956577-7-o.rempel@pengutronix.de \
    --to=o.rempel@pengutronix.de \
    --cc=barebox@lists.infradead.org \
    --subject='Re: [PATCH v3 06/12] spi: port spi_sync_transfer() function from kernel v5.17' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox