sd reader on hp laptop

Check what you have

~ $ /usr/sbin/lspci |grep "Card Reader"
02:06.2 Mass storage controller: Texas Instruments 5-in-1 Multimedia Card Reader (SD/MMC/MS/MS PRO/xD)

make menuconfig and enable

Device Drivers  --->
[*] Misc devices  ---> 
-*-   TI Flash Media interface support
<*>     TI Flash Media PCI74xx/PCI76xx host adapter support

Device Drivers  --->
<*> MMC/SD card support  ---> 
<*>   MMC block device driver
<*>   TI Flash Media MMC/SD Interface support

then re-compile the kernel, reboot. When I insert
a SD card I see (dmesg)

tifm_core: MMC/SD card detected in socket 0:1
mmc0: new SD card at address b368
mmcblk0: mmc0:b368 SD    1997312KiB
 mmcblk0: p1

finally

mount /dev/mmcblk0p1 /mnt/floppy/