diff options
| -rw-r--r-- | drivers/pci/host/pci-msm.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/drivers/pci/host/pci-msm.c b/drivers/pci/host/pci-msm.c index ebdcce77f895..f167f27b39e3 100644 --- a/drivers/pci/host/pci-msm.c +++ b/drivers/pci/host/pci-msm.c @@ -2336,6 +2336,7 @@ static struct dentry *dfile_base_sel; static struct dentry *dfile_wr_offset; static struct dentry *dfile_wr_mask; static struct dentry *dfile_wr_value; +static struct dentry *dfile_ep_wakeirq; static struct dentry *dfile_corr_counter_limit; static u32 rc_sel_max; @@ -2551,6 +2552,50 @@ const struct file_operations msm_pcie_wr_value_ops = { .write = msm_pcie_set_wr_value, }; +static ssize_t msm_pcie_set_ep_wakeirq(struct file *file, + const char __user *buf, + size_t count, loff_t *ppos) +{ + unsigned long ret; + char str[MAX_MSG_LEN]; + u32 new_ep_wakeirq = 0; + int i; + + memset(str, 0, sizeof(str)); + ret = copy_from_user(str, buf, sizeof(str)); + if (ret) + return -EFAULT; + + for (i = 0; i < sizeof(str) && (str[i] >= '0') && (str[i] <= '9'); ++i) + new_ep_wakeirq = (new_ep_wakeirq * 10) + (str[i] - '0'); + + if (new_ep_wakeirq <= 1) { + for (i = 0; i < MAX_RC_NUM; i++) { + if (!rc_sel) { + msm_pcie_dev[0].ep_wakeirq = new_ep_wakeirq; + PCIE_DBG_FS(&msm_pcie_dev[0], + "PCIe: RC0: ep_wakeirq is now %d\n", + msm_pcie_dev[0].ep_wakeirq); + break; + } else if (rc_sel & (1 << i)) { + msm_pcie_dev[i].ep_wakeirq = new_ep_wakeirq; + PCIE_DBG_FS(&msm_pcie_dev[i], + "PCIe: RC%d: ep_wakeirq is now %d\n", + i, msm_pcie_dev[i].ep_wakeirq); + } + } + } else { + pr_err("PCIe: Invalid input for ep_wakeirq: %d. Please enter 0 or 1.\n", + new_ep_wakeirq); + } + + return count; +} + +const struct file_operations msm_pcie_ep_wakeirq_ops = { + .write = msm_pcie_set_ep_wakeirq, +}; + static ssize_t msm_pcie_set_corr_counter_limit(struct file *file, const char __user *buf, size_t count, loff_t *ppos) @@ -2636,6 +2681,14 @@ static void msm_pcie_debugfs_init(void) goto wr_value_error; } + dfile_ep_wakeirq = debugfs_create_file("ep_wakeirq", 0664, + dent_msm_pcie, 0, + &msm_pcie_ep_wakeirq_ops); + if (!dfile_ep_wakeirq || IS_ERR(dfile_ep_wakeirq)) { + pr_err("PCIe: fail to create the file for debug_fs ep_wakeirq.\n"); + goto ep_wakeirq_error; + } + dfile_corr_counter_limit = debugfs_create_file("corr_counter_limit", 0664, dent_msm_pcie, 0, &msm_pcie_corr_counter_limit_ops); @@ -2646,6 +2699,8 @@ static void msm_pcie_debugfs_init(void) return; corr_counter_limit_error: + debugfs_remove(dfile_ep_wakeirq); +ep_wakeirq_error: debugfs_remove(dfile_wr_value); wr_value_error: debugfs_remove(dfile_wr_mask); @@ -2669,6 +2724,7 @@ static void msm_pcie_debugfs_exit(void) debugfs_remove(dfile_wr_offset); debugfs_remove(dfile_wr_mask); debugfs_remove(dfile_wr_value); + debugfs_remove(dfile_ep_wakeirq); debugfs_remove(dfile_corr_counter_limit); } #else |