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[PATCH v3 2/3] spi: of: allow instantiating slaves without a driver

From Michal Suchanek <hramrach@gmail.com>
Newsgroups linux.kernel
Subject [PATCH v3 2/3] spi: of: allow instantiating slaves without a driver
Date 2016-07-19 00:40 +0200
Message-ID <rWpmF-3Qw-13@gated-at.bofh.it> (permalink)
References <rWpmF-3Qw-3@gated-at.bofh.it>
Organization linux.* mail to news gateway

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SPI slave devices are not created when looking up driver for the slave
fails. Create a device anyway so it can be used with spidev.

Signed-off-by: Michal Suchanek <hramrach@gmail.com>
---
 drivers/spi/spi.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index f3ea768..f0de2ec 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -1489,9 +1489,8 @@ of_register_spi_device(struct spi_master *master, struct device_node *nc)
 	rc = of_modalias_node(nc, spi->modalias,
 				sizeof(spi->modalias));
 	if (rc < 0) {
-		dev_err(&master->dev, "cannot find modalias for %s\n",
+		dev_warn(&master->dev, "cannot find modalias for %s\n",
 			nc->full_name);
-		goto err_out;
 	}
 
 	/* Device address */
-- 
2.8.1

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Thread

[PATCH v3 0/3] Spidev usability patchset update Michal Suchanek <hramrach@gmail.com> - 2016-07-19 00:40 +0200
  [PATCH v3 2/3] spi: of: allow instantiating slaves without a driver Michal Suchanek <hramrach@gmail.com> - 2016-07-19 00:40 +0200
    Re: [PATCH v3 2/3] spi: of: allow instantiating slaves without a  driver Mark Brown <broonie@kernel.org> - 2016-07-19 01:10 +0200
      Re: [PATCH v3 2/3] spi: of: allow instantiating slaves without a driver Michal Suchanek <hramrach@gmail.com> - 2016-07-19 10:40 +0200
        Re: [PATCH v3 2/3] spi: of: allow instantiating slaves without a  driver Mark Brown <broonie@kernel.org> - 2016-07-19 13:00 +0200
  [PATCH v3 1/3] spi: spidev: create spidev device for all spi slaves. Michal Suchanek <hramrach@gmail.com> - 2016-07-19 00:40 +0200
    Re: [PATCH v3 1/3] spi: spidev: create spidev device for all spi  slaves. Mark Brown <broonie@kernel.org> - 2016-07-19 01:10 +0200
      Re: [PATCH v3 1/3] spi: spidev: create spidev device for all spi slaves. Michal Suchanek <hramrach@gmail.com> - 2016-07-19 13:20 +0200
        Re: [PATCH v3 1/3] spi: spidev: create spidev device for all spi  slaves. Mark Brown <broonie@kernel.org> - 2016-07-19 14:50 +0200
          Re: [PATCH v3 1/3] spi: spidev: create spidev device for all spi slaves. Michal Suchanek <hramrach@gmail.com> - 2016-07-19 17:40 +0200
            Re: [PATCH v3 1/3] spi: spidev: create spidev device for all spi  slaves. Mark Brown <broonie@kernel.org> - 2016-07-19 19:30 +0200
              Re: [PATCH v3 1/3] spi: spidev: create spidev device for all spi slaves. Michal Suchanek <hramrach@gmail.com> - 2016-07-19 20:40 +0200
    Re: [lkp] [PATCH v3 1/3] spi: spidev: create spidev device for all  spi slaves. Fengguang Wu <fengguang.wu@intel.com> - 2016-07-20 09:20 +0200
  [PATCH v3 3/3] spi: core: allow creating devices without spi-max-frequency Michal Suchanek <hramrach@gmail.com> - 2016-07-19 00:40 +0200

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