From 1dbe61bf7d760547d16ccf057572e641a653ad4a Mon Sep 17 00:00:00 2001 From: Luo Jiaxing Date: Tue, 26 Jan 2021 19:04:26 +0800 Subject: [PATCH] scsi: hisi_sas: Enable debugfs support by default Add a config option to enable debugfs support by default. And if debugfs support is enabled by default, dump count default value is increased to 50 as generally users want something bigger than the current default in that situation. Link: https://lore.kernel.org/r/1611659068-131975-4-git-send-email-john.garry@huawei.com Signed-off-by: Luo Jiaxing Signed-off-by: John Garry Signed-off-by: Martin K. Petersen --- drivers/scsi/hisi_sas/Kconfig | 6 ++++++ drivers/scsi/hisi_sas/hisi_sas_main.c | 13 +++++++++++-- 2 files changed, 17 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/hisi_sas/Kconfig b/drivers/scsi/hisi_sas/Kconfig index b8148b1..4ba3a8e 100644 --- a/drivers/scsi/hisi_sas/Kconfig +++ b/drivers/scsi/hisi_sas/Kconfig @@ -18,3 +18,9 @@ config SCSI_HISI_SAS_PCI depends on ACPI help This driver supports HiSilicon's SAS HBA based on PCI device + +config SCSI_HISI_SAS_DEBUGFS_DEFAULT_ENABLE + bool "HiSilicon SAS debugging default enable" + depends on SCSI_HISI_SAS + help + Set Y to default enable DEBUGFS for SCSI_HISI_SAS diff --git a/drivers/scsi/hisi_sas/hisi_sas_main.c b/drivers/scsi/hisi_sas/hisi_sas_main.c index d469ffd..a979edf 100644 --- a/drivers/scsi/hisi_sas/hisi_sas_main.c +++ b/drivers/scsi/hisi_sas/hisi_sas_main.c @@ -2722,12 +2722,21 @@ int hisi_sas_remove(struct platform_device *pdev) } EXPORT_SYMBOL_GPL(hisi_sas_remove); +#if IS_ENABLED(CONFIG_SCSI_HISI_SAS_DEBUGFS_DEFAULT_ENABLE) +#define DEBUGFS_ENABLE_DEFAULT "enabled" +bool hisi_sas_debugfs_enable = true; +u32 hisi_sas_debugfs_dump_count = 50; +#else +#define DEBUGFS_ENABLE_DEFAULT "disabled" bool hisi_sas_debugfs_enable; +u32 hisi_sas_debugfs_dump_count = 1; +#endif + EXPORT_SYMBOL_GPL(hisi_sas_debugfs_enable); module_param_named(debugfs_enable, hisi_sas_debugfs_enable, bool, 0444); -MODULE_PARM_DESC(hisi_sas_debugfs_enable, "Enable driver debugfs (default disabled)"); +MODULE_PARM_DESC(hisi_sas_debugfs_enable, + "Enable driver debugfs (default "DEBUGFS_ENABLE_DEFAULT")"); -u32 hisi_sas_debugfs_dump_count = 1; EXPORT_SYMBOL_GPL(hisi_sas_debugfs_dump_count); module_param_named(debugfs_dump_count, hisi_sas_debugfs_dump_count, uint, 0444); MODULE_PARM_DESC(hisi_sas_debugfs_dump_count, "Number of debugfs dumps to allow"); -- 2.7.4