*/
#include <linux/err.h>
+#include <linux/of.h>
#include <linux/slab.h>
#include <linux/stat.h>
#include <linux/pm_runtime.h>
{
int err = 0, idx;
unsigned int part_size;
+ struct device_node *np;
+ bool broken_hpi = false;
/* Version is coded in the CSD_STRUCTURE byte in the EXT_CSD register */
card->ext_csd.raw_ext_csd_structure = ext_csd[EXT_CSD_STRUCTURE];
}
}
+ np = mmc_of_find_child_device(card->host, 0);
+ if (np && of_device_is_compatible(np, "mmc-card"))
+ broken_hpi = of_property_read_bool(np, "broken-hpi");
+ of_node_put(np);
+
/*
* The EXT_CSD format is meant to be forward compatible. As long
* as CSD_STRUCTURE does not change, all values for EXT_CSD_REV
}
/* check whether the eMMC card supports HPI */
- if (ext_csd[EXT_CSD_HPI_FEATURES] & 0x1) {
+ if (!broken_hpi && (ext_csd[EXT_CSD_HPI_FEATURES] & 0x1)) {
card->ext_csd.hpi = 1;
if (ext_csd[EXT_CSD_HPI_FEATURES] & 0x2)
card->ext_csd.hpi_cmd = MMC_STOP_TRANSMISSION;
err = _mmc_suspend(host, true);
if (err)
- pr_err("%s: error %d doing aggessive suspend\n",
+ pr_err("%s: error %d doing aggressive suspend\n",
mmc_hostname(host), err);
return err;
err = _mmc_resume(host);
if (err)
- pr_err("%s: error %d doing aggessive resume\n",
+ pr_err("%s: error %d doing aggressive resume\n",
mmc_hostname(host), err);
return 0;