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Date: Mon, 3 Dec 2018 21:09:34 +0200
From: Andy Shevchenko <andy.shevchenko@...il.com>
To: tiny.windzz@...il.com
Cc: Rajneesh Bhardwaj <rajneesh.bhardwaj@...el.com>,
Vishwanath Somayaji <vishwanath.somayaji@...el.com>,
Darren Hart <dvhart@...radead.org>,
Andy Shevchenko <andy@...radead.org>,
David Box <david.e.box@...ux.intel.com>,
Platform Driver <platform-driver-x86@...r.kernel.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] platform/x86: convert to DEFINE_SHOW_ATTRIBUTE
On Sat, Dec 1, 2018 at 5:52 PM Yangtao Li <tiny.windzz@...il.com> wrote:
>
> Use DEFINE_SHOW_ATTRIBUTE macro to simplify the code.
By some reason it's not applicable.
Please, rebase on top of our for-next branch, thanks!
>
> Signed-off-by: Yangtao Li <tiny.windzz@...il.com>
> ---
> drivers/platform/x86/intel_pmc_core.c | 46 ++++---------------
> .../platform/x86/intel_telemetry_debugfs.c | 42 +++--------------
> 2 files changed, 14 insertions(+), 74 deletions(-)
>
> diff --git a/drivers/platform/x86/intel_pmc_core.c b/drivers/platform/x86/intel_pmc_core.c
> index 6b31d410cb09..95311ad6ec6f 100644
> --- a/drivers/platform/x86/intel_pmc_core.c
> +++ b/drivers/platform/x86/intel_pmc_core.c
> @@ -311,7 +311,7 @@ static void pmc_core_display_map(struct seq_file *s, int index,
> pf_map[index].bit_mask & pf_reg ? "Off" : "On");
> }
>
> -static int pmc_core_ppfear_sts_show(struct seq_file *s, void *unused)
> +static int pmc_core_ppfear_show(struct seq_file *s, void *unused)
> {
> struct pmc_dev *pmcdev = s->private;
> const struct pmc_bit_map *map = pmcdev->map->pfear_sts;
> @@ -330,17 +330,7 @@ static int pmc_core_ppfear_sts_show(struct seq_file *s, void *unused)
> return 0;
> }
>
> -static int pmc_core_ppfear_sts_open(struct inode *inode, struct file *file)
> -{
> - return single_open(file, pmc_core_ppfear_sts_show, inode->i_private);
> -}
> -
> -static const struct file_operations pmc_core_ppfear_ops = {
> - .open = pmc_core_ppfear_sts_open,
> - .read = seq_read,
> - .llseek = seq_lseek,
> - .release = single_release,
> -};
> +DEFINE_SHOW_ATTRIBUTE(pmc_core_ppfear);
>
> /* This function should return link status, 0 means ready */
> static int pmc_core_mtpmc_link_status(void)
> @@ -372,7 +362,7 @@ static int pmc_core_send_msg(u32 *addr_xram)
> return 0;
> }
>
> -static int pmc_core_mphy_pg_sts_show(struct seq_file *s, void *unused)
> +static int pmc_core_mphy_pg_show(struct seq_file *s, void *unused)
> {
> struct pmc_dev *pmcdev = s->private;
> const struct pmc_bit_map *map = pmcdev->map->mphy_sts;
> @@ -425,17 +415,7 @@ static int pmc_core_mphy_pg_sts_show(struct seq_file *s, void *unused)
> return err;
> }
>
> -static int pmc_core_mphy_pg_sts_open(struct inode *inode, struct file *file)
> -{
> - return single_open(file, pmc_core_mphy_pg_sts_show, inode->i_private);
> -}
> -
> -static const struct file_operations pmc_core_mphy_pg_ops = {
> - .open = pmc_core_mphy_pg_sts_open,
> - .read = seq_read,
> - .llseek = seq_lseek,
> - .release = single_release,
> -};
> +DEFINE_SHOW_ATTRIBUTE(pmc_core_mphy_pg);
>
> static int pmc_core_pll_show(struct seq_file *s, void *unused)
> {
> @@ -472,17 +452,7 @@ static int pmc_core_pll_show(struct seq_file *s, void *unused)
> return err;
> }
>
> -static int pmc_core_pll_open(struct inode *inode, struct file *file)
> -{
> - return single_open(file, pmc_core_pll_show, inode->i_private);
> -}
> -
> -static const struct file_operations pmc_core_pll_ops = {
> - .open = pmc_core_pll_open,
> - .read = seq_read,
> - .llseek = seq_lseek,
> - .release = single_release,
> -};
> +DEFINE_SHOW_ATTRIBUTE(pmc_core_pll);
>
> static ssize_t pmc_core_ltr_ignore_write(struct file *file, const char __user
> *userbuf, size_t count, loff_t *ppos)
> @@ -602,19 +572,19 @@ static int pmc_core_dbgfs_register(struct pmc_dev *pmcdev)
> &pmc_core_dev_state);
>
> debugfs_create_file("pch_ip_power_gating_status", 0444, dir, pmcdev,
> - &pmc_core_ppfear_ops);
> + &pmc_core_ppfear_fops);
>
> debugfs_create_file("ltr_ignore", 0644, dir, pmcdev,
> &pmc_core_ltr_ignore_ops);
>
> if (pmcdev->map->pll_sts)
> debugfs_create_file("pll_status", 0444, dir, pmcdev,
> - &pmc_core_pll_ops);
> + &pmc_core_pll_fops);
>
> if (pmcdev->map->mphy_sts)
> debugfs_create_file("mphy_core_lanes_power_gating_status",
> 0444, dir, pmcdev,
> - &pmc_core_mphy_pg_ops);
> + &pmc_core_mphy_pg_fops);
>
> if (pmcdev->map->slps0_dbg_maps) {
> debugfs_create_file("slp_s0_debug_status", 0444,
> diff --git a/drivers/platform/x86/intel_telemetry_debugfs.c b/drivers/platform/x86/intel_telemetry_debugfs.c
> index 40bce560eb30..98ba9185a27b 100644
> --- a/drivers/platform/x86/intel_telemetry_debugfs.c
> +++ b/drivers/platform/x86/intel_telemetry_debugfs.c
> @@ -466,17 +466,7 @@ static int telem_pss_states_show(struct seq_file *s, void *unused)
> return 0;
> }
>
> -static int telem_pss_state_open(struct inode *inode, struct file *file)
> -{
> - return single_open(file, telem_pss_states_show, inode->i_private);
> -}
> -
> -static const struct file_operations telem_pss_ops = {
> - .open = telem_pss_state_open,
> - .read = seq_read,
> - .llseek = seq_lseek,
> - .release = single_release,
> -};
> +DEFINE_SHOW_ATTRIBUTE(telem_pss_states);
>
> static int telem_ioss_states_show(struct seq_file *s, void *unused)
> {
> @@ -505,17 +495,7 @@ static int telem_ioss_states_show(struct seq_file *s, void *unused)
> return 0;
> }
>
> -static int telem_ioss_state_open(struct inode *inode, struct file *file)
> -{
> - return single_open(file, telem_ioss_states_show, inode->i_private);
> -}
> -
> -static const struct file_operations telem_ioss_ops = {
> - .open = telem_ioss_state_open,
> - .read = seq_read,
> - .llseek = seq_lseek,
> - .release = single_release,
> -};
> +DEFINE_SHOW_ATTRIBUTE(telem_ioss_states);
>
> static int telem_soc_states_show(struct seq_file *s, void *unused)
> {
> @@ -664,17 +644,7 @@ static int telem_soc_states_show(struct seq_file *s, void *unused)
> return 0;
> }
>
> -static int telem_soc_state_open(struct inode *inode, struct file *file)
> -{
> - return single_open(file, telem_soc_states_show, inode->i_private);
> -}
> -
> -static const struct file_operations telem_socstate_ops = {
> - .open = telem_soc_state_open,
> - .read = seq_read,
> - .llseek = seq_lseek,
> - .release = single_release,
> -};
> +DEFINE_SHOW_ATTRIBUTE(telem_soc_states);
>
> static int telem_s0ix_res_get(void *data, u64 *val)
> {
> @@ -960,7 +930,7 @@ static int __init telemetry_debugfs_init(void)
>
> f = debugfs_create_file("pss_info", S_IFREG | S_IRUGO,
> debugfs_conf->telemetry_dbg_dir, NULL,
> - &telem_pss_ops);
> + &telem_pss_states_fops);
> if (!f) {
> pr_err("pss_sample_info debugfs register failed\n");
> goto out;
> @@ -968,7 +938,7 @@ static int __init telemetry_debugfs_init(void)
>
> f = debugfs_create_file("ioss_info", S_IFREG | S_IRUGO,
> debugfs_conf->telemetry_dbg_dir, NULL,
> - &telem_ioss_ops);
> + &telem_ioss_states_fops);
> if (!f) {
> pr_err("ioss_sample_info debugfs register failed\n");
> goto out;
> @@ -976,7 +946,7 @@ static int __init telemetry_debugfs_init(void)
>
> f = debugfs_create_file("soc_states", S_IFREG | S_IRUGO,
> debugfs_conf->telemetry_dbg_dir,
> - NULL, &telem_socstate_ops);
> + NULL, &telem_soc_states_fops);
> if (!f) {
> pr_err("ioss_sample_info debugfs register failed\n");
> goto out;
> --
> 2.17.0
>
--
With Best Regards,
Andy Shevchenko
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