firmware: tegra: Changes for v4.20-rc1
This contains a fix for suspend/resume support for the BPMP found on Tegra186 and Tegra194. -----BEGIN PGP SIGNATURE----- iQJHBAABCAAxFiEEiOrDCAFJzPfAjcif3SOs138+s6EFAlu/HeITHHRyZWRpbmdA bnZpZGlhLmNvbQAKCRDdI6zXfz6zoepqD/0T8hWZPlURebJO3cTDkaI2kpA+gmG+ GK/K+9AmvtEPhJXN32QUDk8MjMnVXjeWCOMdN4Agm6KedVrQI3nKQ6RuuUwF4AbR yI5RxnU4NpTP/Xchr7rL8d/S0Yd7nWheOcU2KHMQBYmu2SEtYKJO6xpfHwZZDow3 2gvjPAdu4PsxbJRh4FiXLkO7AFMztlrzCgWJ7IodwM98ys2lY5jp/5eLn3/WwIjA 7TC2fCqr0WmHWJmfRxuffgMxFimFk0MZEF81Or40ZCFImGoRQFhdxvWKcuj2wPTJ LHKcpqf0ES6untGWTAO4WeOcpxgTzw2Rqtn6qvoM2vlJoFYdBV8h0bz8sfrEA06f IT5dbetaC1k7j4Y58+GDFSYXYvwHcJe2EEZnjPP4jILGTIw8JChAOjmTHlgz/oxg ct4eeWJ2wT18rOQNdkz+yd4l/VYR0lAyTo5DN1MBxAd3iq5UMMvrtDq5wUIYN9kY zs02Z+2MyYTmDFIIUwS2vS6HMkqOCWnZ1J6z4hGgOM+lbjzF43ducWgXI8VesK6m LAiQmHikvAKcVIlQzP1RuMCpI8+GSx0rawLUJy77wdctaBX2cXr6i4zxA11rqOnO DUYRFtHP9oFPolOhzEA8QWLFpoFvLfYBHNrBYl7e0tWdrP17IruQK2xIXXQtRyep vdFG7A1lJ+7bEg== =uZkB -----END PGP SIGNATURE----- Merge tag 'tegra-for-4.20-firmware-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux into next/drivers firmware: tegra: Changes for v4.20-rc1 This contains a fix for suspend/resume support for the BPMP found on Tegra186 and Tegra194. * tag 'tegra-for-4.20-firmware-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tegra/linux: firmware: tegra: bpmp: Implement suspend/resume support Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This commit is contained in:
commit
c1a92909db
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@ -18,6 +18,7 @@
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#include <linux/of_address.h>
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#include <linux/of_address.h>
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#include <linux/of_device.h>
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#include <linux/of_device.h>
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#include <linux/platform_device.h>
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#include <linux/platform_device.h>
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#include <linux/pm.h>
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#include <linux/semaphore.h>
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#include <linux/semaphore.h>
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#include <linux/sched/clock.h>
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#include <linux/sched/clock.h>
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@ -843,6 +844,23 @@ free_tx:
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return err;
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return err;
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}
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}
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static int __maybe_unused tegra_bpmp_resume(struct device *dev)
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{
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struct tegra_bpmp *bpmp = dev_get_drvdata(dev);
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unsigned int i;
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/* reset message channels */
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tegra_bpmp_channel_reset(bpmp->tx_channel);
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tegra_bpmp_channel_reset(bpmp->rx_channel);
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for (i = 0; i < bpmp->threaded.count; i++)
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tegra_bpmp_channel_reset(&bpmp->threaded_channels[i]);
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return 0;
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}
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static SIMPLE_DEV_PM_OPS(tegra_bpmp_pm_ops, NULL, tegra_bpmp_resume);
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static const struct tegra_bpmp_soc tegra186_soc = {
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static const struct tegra_bpmp_soc tegra186_soc = {
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.channels = {
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.channels = {
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.cpu_tx = {
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.cpu_tx = {
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@ -871,6 +889,7 @@ static struct platform_driver tegra_bpmp_driver = {
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.driver = {
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.driver = {
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.name = "tegra-bpmp",
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.name = "tegra-bpmp",
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.of_match_table = tegra_bpmp_match,
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.of_match_table = tegra_bpmp_match,
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.pm = &tegra_bpmp_pm_ops,
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},
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},
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.probe = tegra_bpmp_probe,
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.probe = tegra_bpmp_probe,
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};
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};
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