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authorLinus Walleij <linus.walleij@linaro.org>2015-01-11 18:45:55 -0500
committerLinus Walleij <linus.walleij@linaro.org>2015-01-14 08:21:38 -0500
commitf684e4ac9f4bae4e6ecff92eef9645a44764fc04 (patch)
tree77455f29e17d3aa03e65aecdb505a850b4f10ce4 /drivers/pinctrl/pinconf-generic.c
parent7382b6231591a76d061d04a420937bbc5e1c1106 (diff)
pinctrl: pinconf-generic: loose DT dependence
New pin controllers such as ACPI-based may also have custom properties to parse, and should be able to use generic pin config. Let's make the code compile on !OF systems and rename members a bit to underscore it is custom parameters and not necessarily DT parameters. This fixes a build regression for x86_64 on the zeroday kernel builds. Reported-by: kbuild test robot <fengguang.wu@intel.com> Reviewed-and-tested-by: Soren Brinkmann <soren.brinkmann@xilinx.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl/pinconf-generic.c')
-rw-r--r--drivers/pinctrl/pinconf-generic.c39
1 files changed, 22 insertions, 17 deletions
diff --git a/drivers/pinctrl/pinconf-generic.c b/drivers/pinctrl/pinconf-generic.c
index e0886665b70a..4db92f64b4de 100644
--- a/drivers/pinctrl/pinconf-generic.c
+++ b/drivers/pinctrl/pinconf-generic.c
@@ -113,10 +113,11 @@ void pinconf_generic_dump_pins(struct pinctrl_dev *pctldev, struct seq_file *s,
113 pinconf_generic_dump_one(pctldev, s, gname, pin, conf_items, 113 pinconf_generic_dump_one(pctldev, s, gname, pin, conf_items,
114 ARRAY_SIZE(conf_items)); 114 ARRAY_SIZE(conf_items));
115 /* driver-specific parameters */ 115 /* driver-specific parameters */
116 if (pctldev->desc->num_dt_params && pctldev->desc->conf_items) 116 if (pctldev->desc->num_custom_params &&
117 pctldev->desc->custom_conf_items)
117 pinconf_generic_dump_one(pctldev, s, gname, pin, 118 pinconf_generic_dump_one(pctldev, s, gname, pin,
118 pctldev->desc->conf_items, 119 pctldev->desc->custom_conf_items,
119 pctldev->desc->num_dt_params); 120 pctldev->desc->num_custom_params);
120} 121}
121 122
122void pinconf_generic_dump_config(struct pinctrl_dev *pctldev, 123void pinconf_generic_dump_config(struct pinctrl_dev *pctldev,
@@ -131,21 +132,24 @@ void pinconf_generic_dump_config(struct pinctrl_dev *pctldev,
131 pinconf_to_config_argument(config)); 132 pinconf_to_config_argument(config));
132 } 133 }
133 134
134 if (!pctldev->desc->num_dt_params || !pctldev->desc->conf_items) 135 if (!pctldev->desc->num_custom_params ||
136 !pctldev->desc->custom_conf_items)
135 return; 137 return;
136 138
137 for (i = 0; i < pctldev->desc->num_dt_params; i++) { 139 for (i = 0; i < pctldev->desc->num_custom_params; i++) {
138 if (pinconf_to_config_param(config) != pctldev->desc->conf_items[i].param) 140 if (pinconf_to_config_param(config) !=
141 pctldev->desc->custom_conf_items[i].param)
139 continue; 142 continue;
140 seq_printf(s, "%s: 0x%x", pctldev->desc->conf_items[i].display, 143 seq_printf(s, "%s: 0x%x",
141 pinconf_to_config_argument(config)); 144 pctldev->desc->custom_conf_items[i].display,
145 pinconf_to_config_argument(config));
142 } 146 }
143} 147}
144EXPORT_SYMBOL_GPL(pinconf_generic_dump_config); 148EXPORT_SYMBOL_GPL(pinconf_generic_dump_config);
145#endif 149#endif
146 150
147#ifdef CONFIG_OF 151#ifdef CONFIG_OF
148static const struct pinconf_generic_dt_params dt_params[] = { 152static const struct pinconf_generic_params dt_params[] = {
149 { "bias-disable", PIN_CONFIG_BIAS_DISABLE, 0 }, 153 { "bias-disable", PIN_CONFIG_BIAS_DISABLE, 0 },
150 { "bias-high-impedance", PIN_CONFIG_BIAS_HIGH_IMPEDANCE, 0 }, 154 { "bias-high-impedance", PIN_CONFIG_BIAS_HIGH_IMPEDANCE, 0 },
151 { "bias-bus-hold", PIN_CONFIG_BIAS_BUS_HOLD, 0 }, 155 { "bias-bus-hold", PIN_CONFIG_BIAS_BUS_HOLD, 0 },
@@ -170,9 +174,9 @@ static const struct pinconf_generic_dt_params dt_params[] = {
170}; 174};
171 175
172/** 176/**
173 * parse_dt_cfg - Parse DT pinconf parameters 177 * parse_dt_cfg() - Parse DT pinconf parameters
174 * @np: DT node 178 * @np: DT node
175 * @params: Array of describing DT parameters 179 * @params: Array of describing generic parameters
176 * @count: Number of entries in @params 180 * @count: Number of entries in @params
177 * @cfg: Array of parsed config options 181 * @cfg: Array of parsed config options
178 * @ncfg: Number of entries in @cfg 182 * @ncfg: Number of entries in @cfg
@@ -183,7 +187,7 @@ static const struct pinconf_generic_dt_params dt_params[] = {
183 * needs to have enough memory allocated to hold all possible entries. 187 * needs to have enough memory allocated to hold all possible entries.
184 */ 188 */
185static void parse_dt_cfg(struct device_node *np, 189static void parse_dt_cfg(struct device_node *np,
186 const struct pinconf_generic_dt_params *params, 190 const struct pinconf_generic_params *params,
187 unsigned int count, unsigned long *cfg, 191 unsigned int count, unsigned long *cfg,
188 unsigned int *ncfg) 192 unsigned int *ncfg)
189{ 193{
@@ -192,7 +196,7 @@ static void parse_dt_cfg(struct device_node *np,
192 for (i = 0; i < count; i++) { 196 for (i = 0; i < count; i++) {
193 u32 val; 197 u32 val;
194 int ret; 198 int ret;
195 const struct pinconf_generic_dt_params *par = &params[i]; 199 const struct pinconf_generic_params *par = &params[i];
196 200
197 ret = of_property_read_u32(np, par->property, &val); 201 ret = of_property_read_u32(np, par->property, &val);
198 202
@@ -232,15 +236,16 @@ int pinconf_generic_parse_dt_config(struct device_node *np,
232 /* allocate a temporary array big enough to hold one of each option */ 236 /* allocate a temporary array big enough to hold one of each option */
233 max_cfg = ARRAY_SIZE(dt_params); 237 max_cfg = ARRAY_SIZE(dt_params);
234 if (pctldev) 238 if (pctldev)
235 max_cfg += pctldev->desc->num_dt_params; 239 max_cfg += pctldev->desc->num_custom_params;
236 cfg = kcalloc(max_cfg, sizeof(*cfg), GFP_KERNEL); 240 cfg = kcalloc(max_cfg, sizeof(*cfg), GFP_KERNEL);
237 if (!cfg) 241 if (!cfg)
238 return -ENOMEM; 242 return -ENOMEM;
239 243
240 parse_dt_cfg(np, dt_params, ARRAY_SIZE(dt_params), cfg, &ncfg); 244 parse_dt_cfg(np, dt_params, ARRAY_SIZE(dt_params), cfg, &ncfg);
241 if (pctldev && pctldev->desc->num_dt_params && pctldev->desc->params) 245 if (pctldev && pctldev->desc->num_custom_params &&
242 parse_dt_cfg(np, pctldev->desc->params, 246 pctldev->desc->custom_params)
243 pctldev->desc->num_dt_params, cfg, &ncfg); 247 parse_dt_cfg(np, pctldev->desc->custom_params,
248 pctldev->desc->num_custom_params, cfg, &ncfg);
244 249
245 ret = 0; 250 ret = 0;
246 251