diff options
author | Jiri Kosina <jkosina@suse.cz> | 2023-11-01 02:07:35 +0300 |
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committer | Jiri Kosina <jkosina@suse.cz> | 2023-11-01 02:07:35 +0300 |
commit | 20cd569d7ee8fce24e8753f0f43af6c420557b1f (patch) | |
tree | f559cfda594846795aa51c99d96f92d8c912851a /drivers/remoteproc/pru_rproc.c | |
parent | 62cc9c3cb3ec1bf31cc116146185ed97b450836a (diff) | |
parent | eeebfe6259ba2d5b0980eb7b0df384eb77e9e4f5 (diff) | |
download | linux-20cd569d7ee8fce24e8753f0f43af6c420557b1f.tar.xz |
Merge branch 'for-6.7/config_pm' into for-linus
- #ifdef CONFIG_PM removal from HID code (Thomas Weißschuh)
Diffstat (limited to 'drivers/remoteproc/pru_rproc.c')
-rw-r--r-- | drivers/remoteproc/pru_rproc.c | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/drivers/remoteproc/pru_rproc.c b/drivers/remoteproc/pru_rproc.c index 2874c8d324f7..327f0c7ee3d6 100644 --- a/drivers/remoteproc/pru_rproc.c +++ b/drivers/remoteproc/pru_rproc.c @@ -16,8 +16,9 @@ #include <linux/debugfs.h> #include <linux/irqdomain.h> #include <linux/module.h> -#include <linux/of_device.h> +#include <linux/of.h> #include <linux/of_irq.h> +#include <linux/platform_device.h> #include <linux/remoteproc/pruss.h> #include <linux/pruss_driver.h> #include <linux/remoteproc.h> @@ -109,6 +110,7 @@ struct pru_private_data { * @dbg_single_step: debug state variable to set PRU into single step mode * @dbg_continuous: debug state variable to restore PRU execution mode * @evt_count: number of mapped events + * @gpmux_save: saved value for gpmux config */ struct pru_rproc { int id; @@ -127,6 +129,7 @@ struct pru_rproc { u32 dbg_single_step; u32 dbg_continuous; u8 evt_count; + u8 gpmux_save; }; static inline u32 pru_control_read_reg(struct pru_rproc *pru, unsigned int reg) @@ -228,6 +231,7 @@ struct rproc *pru_rproc_get(struct device_node *np, int index, struct device *dev; const char *fw_name; int ret; + u32 mux; rproc = __pru_rproc_get(np, index); if (IS_ERR(rproc)) @@ -252,6 +256,23 @@ struct rproc *pru_rproc_get(struct device_node *np, int index, if (pru_id) *pru_id = pru->id; + ret = pruss_cfg_get_gpmux(pru->pruss, pru->id, &pru->gpmux_save); + if (ret) { + dev_err(dev, "failed to get cfg gpmux: %d\n", ret); + goto err; + } + + /* An error here is acceptable for backward compatibility */ + ret = of_property_read_u32_index(np, "ti,pruss-gp-mux-sel", index, + &mux); + if (!ret) { + ret = pruss_cfg_set_gpmux(pru->pruss, pru->id, mux); + if (ret) { + dev_err(dev, "failed to set cfg gpmux: %d\n", ret); + goto err; + } + } + ret = of_property_read_string_index(np, "firmware-name", index, &fw_name); if (!ret) { @@ -290,6 +311,8 @@ void pru_rproc_put(struct rproc *rproc) pru = rproc->priv; + pruss_cfg_set_gpmux(pru->pruss, pru->id, pru->gpmux_save); + pru_rproc_set_firmware(rproc, NULL); mutex_lock(&pru->lock); |