aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/fmc/fmc-core.c
diff options
context:
space:
mode:
authorFederico Vaga <federico.vaga@cern.ch>2017-07-18 08:32:53 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-08-28 16:24:21 +0200
commit9f757f415210a7c85e2784e4a1733ea78b2e4e88 (patch)
treec29a08c4ead881258606731c66129aa0d3272771 /drivers/fmc/fmc-core.c
parent8e12381bd7637dcf61a0503b566d5d9ab5b5e1b3 (diff)
drivers/fmc: hide fmc operations behind helpers
This gave us more freedom to change/add/remove operations without recompiling all device driver. Typically, Carrier board implement the fmc operations, so they will not use these helpers. Signed-off-by: Federico Vaga <federico.vaga@cern.ch> Tested-by: Pat Riehecky <riehecky@fnal.gov> Acked-by: Alessandro Rubini <rubini@gnudd.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/fmc/fmc-core.c')
-rw-r--r--drivers/fmc/fmc-core.c55
1 files changed, 55 insertions, 0 deletions
diff --git a/drivers/fmc/fmc-core.c b/drivers/fmc/fmc-core.c
index 353fc546fb08..5263d0607b64 100644
--- a/drivers/fmc/fmc-core.c
+++ b/drivers/fmc/fmc-core.c
@@ -118,6 +118,61 @@ static struct bin_attribute fmc_eeprom_attr = {
.write = fmc_write_eeprom,
};
+int fmc_irq_request(struct fmc_device *fmc, irq_handler_t h,
+ char *name, int flags)
+{
+ if (fmc->op->irq_request)
+ return fmc->op->irq_request(fmc, h, name, flags);
+ return -EPERM;
+}
+EXPORT_SYMBOL(fmc_irq_request);
+
+void fmc_irq_free(struct fmc_device *fmc)
+{
+ if (fmc->op->irq_free)
+ fmc->op->irq_free(fmc);
+}
+EXPORT_SYMBOL(fmc_irq_free);
+
+void fmc_irq_ack(struct fmc_device *fmc)
+{
+ if (likely(fmc->op->irq_ack))
+ fmc->op->irq_ack(fmc);
+}
+EXPORT_SYMBOL(fmc_irq_ack);
+
+int fmc_validate(struct fmc_device *fmc, struct fmc_driver *drv)
+{
+ if (fmc->op->validate)
+ return fmc->op->validate(fmc, drv);
+ return -EPERM;
+}
+EXPORT_SYMBOL(fmc_validate);
+
+int fmc_gpio_config(struct fmc_device *fmc, struct fmc_gpio *gpio, int ngpio)
+{
+ if (fmc->op->gpio_config)
+ return fmc->op->gpio_config(fmc, gpio, ngpio);
+ return -EPERM;
+}
+EXPORT_SYMBOL(fmc_gpio_config);
+
+int fmc_read_ee(struct fmc_device *fmc, int pos, void *d, int l)
+{
+ if (fmc->op->read_ee)
+ return fmc->op->read_ee(fmc, pos, d, l);
+ return -EPERM;
+}
+EXPORT_SYMBOL(fmc_read_ee);
+
+int fmc_write_ee(struct fmc_device *fmc, int pos, const void *d, int l)
+{
+ if (fmc->op->write_ee)
+ return fmc->op->write_ee(fmc, pos, d, l);
+ return -EPERM;
+}
+EXPORT_SYMBOL(fmc_write_ee);
+
/*
* Functions for client modules follow
*/

Privacy Policy