omap: sdma: Limit the secure reserve channel fix for omap3
The commit 'ba50ea7e' reserves DMA channels 0 and 1 on high security devices, in order to avoid collision between kernel dma transfers and ROM code dma transfers. This fix is applicable only for OMAP3 so add an appropriate check. Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> CC: Kalle Jokiniemi <kalle.jokiniemi@digia.com> CC: Kevin Hilman <khilman@deeprootsystems.com> Reviewed-by: Kevin Hilman <khilman@deeprootsystems.com> Reviewed-by: Paul Walmsley <paul@pwsan.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
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@ -2149,7 +2149,8 @@ static int __init omap_init_dma(void)
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DMA_SYSCONFIG_AUTOIDLE);
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dma_write(v , OCP_SYSCONFIG);
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/* reserve dma channels 0 and 1 in high security devices */
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if (omap_type() != OMAP2_DEVICE_TYPE_GP) {
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if (cpu_is_omap34xx() &&
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(omap_type() != OMAP2_DEVICE_TYPE_GP)) {
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printk(KERN_INFO "Reserving DMA channels 0 and 1 for "
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"HS ROM code\n");
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dma_chan[0].dev_id = 0;
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