spi: Fixes for v3.7
A bunch of fixes here, mostly minor except for the pl022 which has just been a bit of a shambles all round, the recent runtime PM changes have as far as I can tell never worked so they're just getting thrown out. -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.12 (GNU/Linux) iQIcBAABAgAGBQJQhpP3AAoJELSic+t+oim9y5sP/2HlUw8SrFWVZNGkyZ/834KV 3DuTZUEG0NAg39gMmnUiXH3ntfvNQBfWmqz9vJ/6Ec4gfCaXREwRNc4ZtkJuWzs+ zvVoLJLgJ0FxxVP9Ul6K5lb4iPfAupu4up2TjlMWctRFJ0Og+Q68wqK/I58r9YGQ XhhCYy44MioBC/MyMToQ6iTnFjJ6ivj/RtHlZ72tLeDcF6/XRdCeLD/0Gd7pR1Ib jCnb6dzji+ztIATdz0zJ5dATz5UHKQ+sPKCOR/Aeb8w+XWwcllP7oCFJKYdpzzJj 63y2wbRIrmF4wk9ZfCwD3LEFdeWL5MHKGUn47afqODnoYcKPOp7w5hlM5YH+ZNun 3Elln9JPeg996GsN3HQNGM+Ip+g1mi3yCF1hDWIukPPewKI8zqSarlo5B4d0f73i wjNbgvEKXiRR3sD8osH9gz4rqubY9pNy3YRCBXYWsP+4jPyOmOjMDhOoc/MmVLc7 0B0l6waynsZXelSXRDGDINGDrr5Kct4ZmAczWS8W0+wXw7ER7VHj7dbbMBEcDgny k80Zfo+VXPIj1+9pvy75JZJ91AWtnHz10hug5iuJNADt0F1rfpdeZZ1+F4U0S/4p KcT8IS39V813DfE8UITlg9TEdsV1z72DXiFRDpV/UOQY3oRH9tMn4SrX7crugWEF Y3XXO8xlXFdz+bj0rAoV =9XvI -----END PGP SIGNATURE----- Merge tag 'spi-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc Pull spi fixes from Mark Brown: "A bunch of fixes here, mostly minor except for the pl022 which has just been a bit of a shambles all round, the recent runtime PM changes have as far as I can tell never worked so they're just getting thrown out." * tag 'spi-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/misc: spi/pl022: Revert recent runtime PM changes spi: tsc2005: delete soon-obsolete e-mail address spi: spi-rspi: fix build error for the latest shdma driver
This commit is contained in:
commit
4864ccbb5a
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@ -2186,8 +2186,6 @@ pl022_probe(struct amba_device *adev, const struct amba_id *id)
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printk(KERN_INFO "pl022: mapped registers from 0x%08x to %p\n",
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adev->res.start, pl022->virtbase);
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pm_runtime_resume(dev);
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pl022->clk = devm_clk_get(&adev->dev, NULL);
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if (IS_ERR(pl022->clk)) {
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status = PTR_ERR(pl022->clk);
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@ -2292,7 +2290,6 @@ pl022_remove(struct amba_device *adev)
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clk_disable(pl022->clk);
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clk_unprepare(pl022->clk);
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pm_runtime_disable(&adev->dev);
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amba_release_regions(adev);
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tasklet_disable(&pl022->pump_transfers);
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spi_unregister_master(pl022->master);
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@ -147,8 +147,6 @@ struct rspi_data {
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unsigned char spsr;
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/* for dmaengine */
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struct sh_dmae_slave dma_tx;
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struct sh_dmae_slave dma_rx;
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struct dma_chan *chan_tx;
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struct dma_chan *chan_rx;
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int irq;
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@ -663,20 +661,16 @@ static irqreturn_t rspi_irq(int irq, void *_sr)
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return ret;
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}
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static bool rspi_filter(struct dma_chan *chan, void *filter_param)
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{
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chan->private = filter_param;
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return true;
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}
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static void __devinit rspi_request_dma(struct rspi_data *rspi,
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struct platform_device *pdev)
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static int __devinit rspi_request_dma(struct rspi_data *rspi,
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struct platform_device *pdev)
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{
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struct rspi_plat_data *rspi_pd = pdev->dev.platform_data;
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dma_cap_mask_t mask;
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struct dma_slave_config cfg;
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int ret;
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if (!rspi_pd)
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return;
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return 0; /* The driver assumes no error. */
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rspi->dma_width_16bit = rspi_pd->dma_width_16bit;
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@ -684,21 +678,35 @@ static void __devinit rspi_request_dma(struct rspi_data *rspi,
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if (rspi_pd->dma_rx_id && rspi_pd->dma_tx_id) {
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dma_cap_zero(mask);
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dma_cap_set(DMA_SLAVE, mask);
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rspi->dma_rx.slave_id = rspi_pd->dma_rx_id;
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rspi->chan_rx = dma_request_channel(mask, rspi_filter,
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&rspi->dma_rx);
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if (rspi->chan_rx)
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dev_info(&pdev->dev, "Use DMA when rx.\n");
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rspi->chan_rx = dma_request_channel(mask, shdma_chan_filter,
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(void *)rspi_pd->dma_rx_id);
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if (rspi->chan_rx) {
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cfg.slave_id = rspi_pd->dma_rx_id;
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cfg.direction = DMA_DEV_TO_MEM;
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ret = dmaengine_slave_config(rspi->chan_rx, &cfg);
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if (!ret)
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dev_info(&pdev->dev, "Use DMA when rx.\n");
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else
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return ret;
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}
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}
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if (rspi_pd->dma_tx_id) {
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dma_cap_zero(mask);
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dma_cap_set(DMA_SLAVE, mask);
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rspi->dma_tx.slave_id = rspi_pd->dma_tx_id;
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rspi->chan_tx = dma_request_channel(mask, rspi_filter,
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&rspi->dma_tx);
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if (rspi->chan_tx)
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dev_info(&pdev->dev, "Use DMA when tx\n");
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rspi->chan_tx = dma_request_channel(mask, shdma_chan_filter,
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(void *)rspi_pd->dma_tx_id);
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if (rspi->chan_tx) {
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cfg.slave_id = rspi_pd->dma_tx_id;
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cfg.direction = DMA_MEM_TO_DEV;
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ret = dmaengine_slave_config(rspi->chan_tx, &cfg);
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if (!ret)
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dev_info(&pdev->dev, "Use DMA when tx\n");
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else
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return ret;
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}
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}
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return 0;
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}
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static void __devexit rspi_release_dma(struct rspi_data *rspi)
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}
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rspi->irq = irq;
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rspi_request_dma(rspi, pdev);
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ret = rspi_request_dma(rspi, pdev);
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if (ret < 0) {
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dev_err(&pdev->dev, "rspi_request_dma failed.\n");
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goto error4;
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}
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ret = spi_register_master(master);
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if (ret < 0) {
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@ -3,8 +3,6 @@
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*
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* Copyright (C) 2009-2010 Nokia Corporation
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*
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* Contact: Aaro Koskinen <aaro.koskinen@nokia.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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